11 .

Income of a company doubles after every one year. If the initial income was Rs. 4 lacs,

What would be the income after 5 years ?

Income of a company doubles after every one year. If the initial income was Rs. 4 lacs,

What would be the income after 5 years ?

A.Rs. 1.24 crores

B. Rs. 1.28 crores

C. Rs. 2.52 crores

D.Rs. 2.56 crores

E.Rs. 3.73 crores

View AnswerAns: Rs. 1.28 crores
12 .

Ratio of earnings of A and B is 4:7. If the earnings of A increase by 50% and those of B decrease by 25%, the new ratio of their earnings becomes 8:7. What is $A{'}s$ earning ?

Ratio of earnings of A and B is 4:7. If the earnings of A increase by 50% and those of B decrease by 25%, the new ratio of their earnings becomes 8:7. What is $A{'}s$ earning ?

A.Rs. 21000

B. Rs. 26000

C. Rs. 28000

D.Rs. 33000

E.Data inadequate

View AnswerAns: Data inadequate
13 .

A and B can do a piece of work in 45 days and 40 days respectively.

They began to do the work together but A leaves after some days and then B completed the remaining work in 23 days. The number of days after which A left the work was :

A and B can do a piece of work in 45 days and 40 days respectively.

They began to do the work together but A leaves after some days and then B completed the remaining work in 23 days. The number of days after which A left the work was :

A.6

B. 8

C. 9

D.12

E.15

View AnswerAns: 9
14 .

The speed of a car increases by 2 kms after every one hour.

If the distance travelled in the first one hour was 35 kms,

What was the total distance travelled in 12 hours ?

The speed of a car increases by 2 kms after every one hour.

If the distance travelled in the first one hour was 35 kms,

What was the total distance travelled in 12 hours ?

A.456 kms

B. 482 kms

C. 552 kms

D.556 kms

E.672 kms

View AnswerAns: 552 kms
15 .

A train covers a distance of 12 km in 10 minutes. If it takes 6 seconds to pass a telegraph post,

then the length of the train is :

A train covers a distance of 12 km in 10 minutes. If it takes 6 seconds to pass a telegraph post,

then the length of the train is :

A.90 m

B. 100 m

C. 120 m

D.140 m

E.160 m

View AnswerAns: 120 m