Math MCQ Part-8 Leave a Comment / By odishatutorial.com / 4 October 2023 Video Solution Math MCQ Part-8Math MCQ Part-8 Whatsapp Group Join Telegram channel Join1 / 10A is 3 times as fast as B and is, therefore, able to complete a work in 32 days lesser than B. A and B, working together, can complete the work in (1) 10 days (2) 16 days (3) 12 days (4) 14 days 2 / 10The average age of 3 friends is 23 years. Even if the age of 4th friend is added, the average age remains the same. Then the age of the fourth friend is: (1) 20 years (2) 22 years (3) 21 years (4) 23 years 3 / 10If the tax on a commodity is diminished by 20% and its con- sumption increases by 15%, the revenue decreases by: (1) 8% (2) 12% (3) 10% (4) 6% 4 / 10A person deposited 500 for 4 years and 600 for 3 years at the same rate of simple interest in a bank. Altogether he received 190 as interest. The rate of simple interest per annum was (1) 4% (2) 2% (3) 5% (4) 3% 5 / 10L.C.M of 2/3, 4/9 and 5/6 (1) 2/18 (2) 20/3 (3) 10/3 (4) 2/7 6 / 10A tap can empty a tank in 30 minutes. A second tap can empty it in 45 minutes. If both the taps operate simultaneously, how much time is needed to empty the tank ? (1) 30 minutes (2) 18 minutes (3) 14 mninutes (4) 15 minutes 7 / 10A book is sold at three successive discounts of 20%, 20% and 10%. What is the net díscount (ín per cent) ? (1) 42.4 (2) 48.6 (3) 44.2 (4) 40.4 8 / 10The difference between mean proportion of 9 & 16 and 4 & 9 is : (1) 6 (2) 108 (3) 12 (4) 180 9 / 10In what ratio, sugar costíng 60 per kg be mixed with sugar costing 42 per kg such that by selling the mixture at 56 per kg there is a gain of 12% ? (1) 5:6 (2) 4:5 (3) 8:9 (4) 5:7 10 / 10Find the value of "k" such that the number k53206k is divisible by 6. (1) 7 (2) 2 (3) 4 (4) 1 Your score isThe average score is 45% 0% Restart quiz