Scroll:Sequences and series >> word problems >> saq (4225)

Written Instructions:

For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..

For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.

Leave your answers in the simplest form or correct to two decimal places.


 

1)  

Selvan has saved 580 during the first month, 630 in the second month and 680 in the third month. If he continues his savings in this sequence, what will be his savings in the 17th month


Answer:_______________




2)  

Chidambaram has saved 520 during the first month, 590 in the second month and 660 in the third month. If he continues his savings in this sequence, what will be his savings in the 25th month


Answer:_______________




3)  

Anand has saved 650 during the first month, 700 in the second month and 750 in the third month. If he continues his savings in this sequence, what will be his savings in the 24th month


Answer:_______________




4)  

Barathan has saved 650 during the first month, 690 in the second month and 730 in the third month. If he continues his savings in this sequence, what will be his savings in the 29th month


Answer:_______________




5)  

Sriram has saved 590 during the first month, 630 in the second month and 670 in the third month. If he continues his savings in this sequence, what will be his savings in the 15th month


Answer:_______________




6)  

Murugan has saved 560 during the first month, 620 in the second month and 680 in the third month. If he continues his savings in this sequence, what will be his savings in the 19th month


Answer:_______________




7)  

Balaji has saved 740 during the first month, 790 in the second month and 840 in the third month. If he continues his savings in this sequence, what will be his savings in the 27th month


Answer:_______________




8)  

Sriram has saved 530 during the first month, 600 in the second month and 670 in the third month. If he continues his savings in this sequence, what will be his savings in the 22th month


Answer:_______________




9)  

Chidambaram has saved 660 during the first month, 720 in the second month and 780 in the third month. If he continues his savings in this sequence, what will be his savings in the 17th month


Answer:_______________




10)  

Kumar has saved 770 during the first month, 810 in the second month and 850 in the third month. If he continues his savings in this sequence, what will be his savings in the 23th month


Answer:_______________




 

1)  

Selvan has saved 580 during the first month, 630 in the second month and 680 in the third month. If he continues his savings in this sequence, what will be his savings in the 17th month

Answer: 1380


SOLUTION 1 :

 Here 

a = 580,  d = 630 - 580 = 50

tn = a + (n-1)d

when   n = 17,

t17 = 580 + (17-1}50

t17 = 580 + 16x50

t17 = 580 + 800 = 1380

Selvan has saving in the 17th month is 1380

 



2)  

Chidambaram has saved 520 during the first month, 590 in the second month and 660 in the third month. If he continues his savings in this sequence, what will be his savings in the 25th month

Answer: 2200


SOLUTION 1 :

 Here 

a = 520,  d = 590 - 520 = 70

tn = a + (n-1)d

when   n = 25,

t25 = 520 + (25-1}70

t25 = 520 + 24x70

t25 = 520 + 1680 = 2200

Chidambaram has saving in the 25th month is 2200

 



3)  

Anand has saved 650 during the first month, 700 in the second month and 750 in the third month. If he continues his savings in this sequence, what will be his savings in the 24th month

Answer: 1800


SOLUTION 1 :

 Here 

a = 650,  d = 700 - 650 = 50

tn = a + (n-1)d

when   n = 24,

t24 = 650 + (24-1}50

t24 = 650 + 23x50

t24 = 650 + 1150 = 1800

Anand has saving in the 24th month is 1800

 



4)  

Barathan has saved 650 during the first month, 690 in the second month and 730 in the third month. If he continues his savings in this sequence, what will be his savings in the 29th month

Answer: 1770


SOLUTION 1 :

 Here 

a = 650,  d = 690 - 650 = 40

tn = a + (n-1)d

when   n = 29,

t29 = 650 + (29-1}40

t29 = 650 + 28x40

t29 = 650 + 1120 = 1770

Barathan has saving in the 29th month is 1770

 



5)  

Sriram has saved 590 during the first month, 630 in the second month and 670 in the third month. If he continues his savings in this sequence, what will be his savings in the 15th month

Answer: 1150


SOLUTION 1 :

 Here 

a = 590,  d = 630 - 590 = 40

tn = a + (n-1)d

when   n = 15,

t15 = 590 + (15-1}40

t15 = 590 + 14x40

t15 = 590 + 560 = 1150

Sriram has saving in the 15th month is 1150

 



6)  

Murugan has saved 560 during the first month, 620 in the second month and 680 in the third month. If he continues his savings in this sequence, what will be his savings in the 19th month

Answer: 1640


SOLUTION 1 :

 Here 

a = 560,  d = 620 - 560 = 60

tn = a + (n-1)d

when   n = 19,

t19 = 560 + (19-1}60

t19 = 560 + 18x60

t19 = 560 + 1080 = 1640

Murugan has saving in the 19th month is 1640

 



7)  

Balaji has saved 740 during the first month, 790 in the second month and 840 in the third month. If he continues his savings in this sequence, what will be his savings in the 27th month

Answer: 2040


SOLUTION 1 :

 Here 

a = 740,  d = 790 - 740 = 50

tn = a + (n-1)d

when   n = 27,

t27 = 740 + (27-1}50

t27 = 740 + 26x50

t27 = 740 + 1300 = 2040

Balaji has saving in the 27th month is 2040

 



8)  

Sriram has saved 530 during the first month, 600 in the second month and 670 in the third month. If he continues his savings in this sequence, what will be his savings in the 22th month

Answer: 2000


SOLUTION 1 :

 Here 

a = 530,  d = 600 - 530 = 70

tn = a + (n-1)d

when   n = 22,

t22 = 530 + (22-1}70

t22 = 530 + 21x70

t22 = 530 + 1470 = 2000

Sriram has saving in the 22th month is 2000

 



9)  

Chidambaram has saved 660 during the first month, 720 in the second month and 780 in the third month. If he continues his savings in this sequence, what will be his savings in the 17th month

Answer: 1620


SOLUTION 1 :

 Here 

a = 660,  d = 720 - 660 = 60

tn = a + (n-1)d

when   n = 17,

t17 = 660 + (17-1}60

t17 = 660 + 16x60

t17 = 660 + 960 = 1620

Chidambaram has saving in the 17th month is 1620

 



10)  

Kumar has saved 770 during the first month, 810 in the second month and 850 in the third month. If he continues his savings in this sequence, what will be his savings in the 23th month

Answer: 1650


SOLUTION 1 :

 Here 

a = 770,  d = 810 - 770 = 40

tn = a + (n-1)d

when   n = 23,

t23 = 770 + (23-1}40

t23 = 770 + 22x40

t23 = 770 + 880 = 1650

Kumar has saving in the 23th month is 1650