6.

Saikat loses 12½% of his money and after spending 70% of the remainder, he is left with Rs. 210 . How much had he at first.

A. Rs. 800

B. Rs. 900

C. Rs. 1500

D. None of these.

7.

If the annual increase in the students of a college is 4% and the present number of students is 15,625 .What will be the number of students in 3 years?

A. 17,576

B. 15,576

C. 17,675

D. None of these.

8.

If the price is increased by 10% and the sale is decreased by 5% , then what will be the effect on income?

A. 5.5%

B. 4%

C. 4.5%

D. None of these.

9.

If one of the sides of a rectangle is increased by 20% and the other is increased by 5%, find the percent value by which the area changes.

A. 20%

B. 20.5%

C. 26%

D. 28%

10.

Find a single equivalent increase, if a number is successively increased by 10%, 15% and 20%.

A. 50%

B. 51.8%

C. 20%

D. None of these.

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