Q2. In a house , there is a semicircular corridor, a circular hall and a circular garden. Sum of perimeter of corridor and hall is 102 m.If radius of hall is 50% more than radius of corridor then find area of circular garden, given radius of garden is 300% more than sum of radius of corridor and radius of hall.
(a) 6300π sq.m
(b) 5400π sq.m
(c) 5700π sq.m
(d) 4200π sq.m
(e) 4900π sq.m
Q3. Ratio of Anurag’s age four years later to Bhavya’s age six years later is 2 : 1. Another person Chiru whose present age is twice of the sum of present ages of Anurag and Bhavya and ratio of Chiru’s age 4 years later to Bhavya’s age 4 years later is 23 : 4. Find the present age of Bhavya ?
(a) 16 years
(b) 10 years
(c) 15 years
(d) 12 years
(e) 18 years
Q4. A and B entered into partnership business. A invested Rs. P and B invested 40% more than A and each of A & B invested for eight months. After four months from starting of business, C joined them with the amount equal to amount invested by A & B together for four months and they got a total profit of Rs. 14400. Find 80% of profit share of A.
(a) 4800 Rs.
(b) 2400 Rs.
(c) 2000 Rs.
(d) 1600 Rs.
(e) 3200 Rs.
Q5. ‘A’ invested Rs. 2400 at the rate of __________ % p.a. for three years on SI and ‘B’ invested Rs. __________ for two years on CI at the rate of 20% p.a. compounding annually. If ratio of interest received by A & B is 9 : 11 respectively, then what should come in the place of given blanks.
(a) 12.5 & 2500
(b) 25 & 2500
(c) 10 & 2500
(d) 25 & 5000
(e) Either (a) or (d)
Solutions
. . . . . . . . . . . . . . .