Posted on - 15-02-2017

Bank PO

The average score of a batsman in x innings is 36. After another innings of 80, his average increases by 4. Find x + 1. .

(a) 8

(b) 9

(c) 10

(d) 11

The average of three consecutive odd numbers is 16 more than one-third of the largest of the three numbers. Find the smallest of the three numbers. .

(a) 23

(b) 21

(c) 25

(d) 27

The average of five consecutive even numbers is 2n. If the next five even numbers are included then the average of ten numbers will increase by .

(a) 3

(b) 5

(c) 7

(d) 9

The average of 27 observations was calculated as 131. It was later found that two observations, 41 and 52 were mistaken as 14 and 25. Find the correct average of the 27 observations. .

(a) 132

(b) 133

(c) 130

(d) 129

In a state the average rainfall in the months of June, July and August is 17 cm. And the average rainfall in the months of August, September and October is 18.2 cm. If the average rainfall for the five months from June to October is 17.8 cm. Then the average rainfall in the month of August is .

(a) 14.2 cm .

(b) 15.4 cm .

(c) 16.6 cm .

(d) 17.8 cm .

The present average age of a committee of eight members is the same today as it was four years ago since an old member has been replaced by a young member. How much older is the old member than the young member? .

(a) 28 years

(b) 4 years

(c) 16 years

(d) 32 years

The average (arithmetic mean) of 8 observations is 17. If one more observation is included among them, the average of all the observations will be 18. The value of the included observation will be _______.

(a) 19

(b) 26

(c) 23

(d) 30

In a certain season, a cricket player played a total of 38 innings. his average score per innings that season was 40. His score in his first innings was 80 less than his score in his last innings. If these two innings are not considered his average score in the season would be 39. Find his score in his last innings. .

(a) 88

(b) 94

(c) 98

(d) 102

A mixture contains sand and flour in the ratio of 4 : 1 and another mixture contains the same substances in the ratio of 5 : 2. How many kgs of sand and flour from the former mixture should be added to 7 kg of the latter mixture to make the ratio 3 : 1? .

(a) 4 kg

(b) 5 kg

(c) 7 kg

(d) 8 kg

A trader, who claimed to sell milk at cost price, mixes it with water and makes a profit of 25%. Find the concentration of milk in the mixture. .

(a) 60%

(b) 70%

(c) 75%

(d) 80%

1.D. |
2.A. |
3.B. |
4.B. |
5.C. |

6.D. |
7.B. |
8.C. |
9.B. |
10.D. |