CBSE - Aptitude Mathematics

Ram, Sham and Harnam built a room. Ram worked at it for 5 days, Sham for 7 days and Harnam for 9 days. Their daily wages in the ratio of 4 : 3 : 2 and their total wage amount to Rs.1180. What was the daily wage of Harnam? 1. Rs.80 2. Rs.40 3. Rs.60 4. Rs.90

Rs.18,480 invested on compound interest becomes Rs.64,000 after eight years and Rs.68,000 after 10 years. If invested for two years at the same rate of interest, it would fetch 1. Rs.21,428 2. Rs.20,892 3. Rs.20,045 4. Rs.19,635

The smallest number, which when divided by 12,16,20,24 and 28 leaves a remainder 5,9,13,17 and 21 is 1. 1673 2. 1687 3. 1685 4. 1659

A sum of money put out at compound interest amounts in 3 years to Rs.800 and in 4 years to Rs.840. The rate of interest is 1. 10% 2. 5 5/7% 3. 5% 4. 4 16/21%

Most of the people in India have the height 160 cm. If the heights of 7 students are 155cm, 160cm, 155cm, 158cm, 159cm, 155cm and 160cm, then mode will be 1. 155 cm 2. 160 cm 3. 158 cm 4. 159 cm