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)  

Moorthi has saved 590 during the first month, 640 in the second month and 690 in the third month. If he continues his savings in this sequence, what will be his savings in the 27th month


Answer:_______________




2)  

Anand has saved 680 during the first month, 750 in the second month and 820 in the third month. If he continues his savings in this sequence, what will be his savings in the 26th month


Answer:_______________




3)  

Balaji has saved 590 during the first month, 660 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 20th month


Answer:_______________




4)  

Murugan has saved 710 during the first month, 770 in the second month and 830 in the third month. If he continues his savings in this sequence, what will be his savings in the 26th month


Answer:_______________




5)  

Karna has saved 650 during the first month, 710 in the second month and 770 in the third month. If he continues his savings in this sequence, what will be his savings in the 26th month


Answer:_______________




6)  

Narayanan has saved 570 during the first month, 630 in the second month and 690 in the third month. If he continues his savings in this sequence, what will be his savings in the 30th month


Answer:_______________




7)  

Prem has saved 790 during the first month, 840 in the second month and 890 in the third month. If he continues his savings in this sequence, what will be his savings in the 19th month


Answer:_______________




8)  

Raj has saved 580 during the first month, 660 in the second month and 740 in the third month. If he continues his savings in this sequence, what will be his savings in the 27th month


Answer:_______________




9)  

Aravindh has saved 590 during the first month, 640 in the second month and 690 in the third month. If he continues his savings in this sequence, what will be his savings in the 26th month


Answer:_______________




10)  

Moorthi has saved 550 during the first month, 620 in the second month and 690 in the third month. If he continues his savings in this sequence, what will be his savings in the 23th month


Answer:_______________




 

1)  

Moorthi has saved 590 during the first month, 640 in the second month and 690 in the third month. If he continues his savings in this sequence, what will be his savings in the 27th month

Answer: 1890


SOLUTION 1 :

 Here 

a = 590,  d = 640 - 590 = 50

tn = a + (n-1)d

when   n = 27,

t27 = 590 + (27-1}50

t27 = 590 + 26x50

t27 = 590 + 1300 = 1890

Moorthi has saving in the 27th month is 1890

 



2)  

Anand has saved 680 during the first month, 750 in the second month and 820 in the third month. If he continues his savings in this sequence, what will be his savings in the 26th month

Answer: 2430


SOLUTION 1 :

 Here 

a = 680,  d = 750 - 680 = 70

tn = a + (n-1)d

when   n = 26,

t26 = 680 + (26-1}70

t26 = 680 + 25x70

t26 = 680 + 1750 = 2430

Anand has saving in the 26th month is 2430

 



3)  

Balaji has saved 590 during the first month, 660 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 20th month

Answer: 1920


SOLUTION 1 :

 Here 

a = 590,  d = 660 - 590 = 70

tn = a + (n-1)d

when   n = 20,

t20 = 590 + (20-1}70

t20 = 590 + 19x70

t20 = 590 + 1330 = 1920

Balaji has saving in the 20th month is 1920

 



4)  

Murugan has saved 710 during the first month, 770 in the second month and 830 in the third month. If he continues his savings in this sequence, what will be his savings in the 26th month

Answer: 2210


SOLUTION 1 :

 Here 

a = 710,  d = 770 - 710 = 60

tn = a + (n-1)d

when   n = 26,

t26 = 710 + (26-1}60

t26 = 710 + 25x60

t26 = 710 + 1500 = 2210

Murugan has saving in the 26th month is 2210

 



5)  

Karna has saved 650 during the first month, 710 in the second month and 770 in the third month. If he continues his savings in this sequence, what will be his savings in the 26th month

Answer: 2150


SOLUTION 1 :

 Here 

a = 650,  d = 710 - 650 = 60

tn = a + (n-1)d

when   n = 26,

t26 = 650 + (26-1}60

t26 = 650 + 25x60

t26 = 650 + 1500 = 2150

Karna has saving in the 26th month is 2150

 



6)  

Narayanan has saved 570 during the first month, 630 in the second month and 690 in the third month. If he continues his savings in this sequence, what will be his savings in the 30th month

Answer: 2310


SOLUTION 1 :

 Here 

a = 570,  d = 630 - 570 = 60

tn = a + (n-1)d

when   n = 30,

t30 = 570 + (30-1}60

t30 = 570 + 29x60

t30 = 570 + 1740 = 2310

Narayanan has saving in the 30th month is 2310

 



7)  

Prem has saved 790 during the first month, 840 in the second month and 890 in the third month. If he continues his savings in this sequence, what will be his savings in the 19th month

Answer: 1690


SOLUTION 1 :

 Here 

a = 790,  d = 840 - 790 = 50

tn = a + (n-1)d

when   n = 19,

t19 = 790 + (19-1}50

t19 = 790 + 18x50

t19 = 790 + 900 = 1690

Prem has saving in the 19th month is 1690

 



8)  

Raj has saved 580 during the first month, 660 in the second month and 740 in the third month. If he continues his savings in this sequence, what will be his savings in the 27th month

Answer: 2660


SOLUTION 1 :

 Here 

a = 580,  d = 660 - 580 = 80

tn = a + (n-1)d

when   n = 27,

t27 = 580 + (27-1}80

t27 = 580 + 26x80

t27 = 580 + 2080 = 2660

Raj has saving in the 27th month is 2660

 



9)  

Aravindh has saved 590 during the first month, 640 in the second month and 690 in the third month. If he continues his savings in this sequence, what will be his savings in the 26th month

Answer: 1840


SOLUTION 1 :

 Here 

a = 590,  d = 640 - 590 = 50

tn = a + (n-1)d

when   n = 26,

t26 = 590 + (26-1}50

t26 = 590 + 25x50

t26 = 590 + 1250 = 1840

Aravindh has saving in the 26th month is 1840

 



10)  

Moorthi has saved 550 during the first month, 620 in the second month and 690 in the third month. If he continues his savings in this sequence, what will be his savings in the 23th month

Answer: 2090


SOLUTION 1 :

 Here 

a = 550,  d = 620 - 550 = 70

tn = a + (n-1)d

when   n = 23,

t23 = 550 + (23-1}70

t23 = 550 + 22x70

t23 = 550 + 1540 = 2090

Moorthi has saving in the 23th month is 2090