1. Rita invested 25% more than Sunil. Sunil invested 30% less than Abhinav who invested Rs. 6,000. What is the respective ratio between the amount that Rita invested and the total amount invested by all of them together? (d)
a. 35: 104
b. 13: 29
c. 101: 36
d. 35: 103
2. Radha’s present age is three years less than twice her age 12 years ago. Also, the respective ratio between Raj’s present age and Radha’s present age is 4: 9. What will be Raj’s age after 5 years? (d)
a. 12 years
b. 7 years
c. 21 years
d. None of these
3.The perimeter of a square is equal to twice the perimeter of a rectangle of length 8 cms. and breadth 7 cms. What is the circumference of a semicircle whose diameter is equal to the side of the square? (a)
a. 38.57 cms.
b. 23.57 cms.
c. 42.46 cms.
d. 47.47 cms.
4. The respective ratio between the speeds of a car, a train, and a bus is 5: 9: 4. The average speed of the car, the bus, and the train is 72 kmph together. What is the average speed of the car and the train together? (c)
a. 82 kmph
b. 78 kmph
c. 84 kmph
d. Cannot be determined
5. A man gets a simple interest of Rs. 1,000 on a certain principal at the rate of 5 p.c.p.a. in 4 years. What compound interest will the man get on twice the principal in two years at the same rate? (d)
a. Rs. 1,050
b. Rs. 1,005
c. Rs. 11,025
d. None of these
