Math Quantitative Aptitude
Math Quantitative Aptitude
91. If the radius of a circle be doubled, its area will be -
- four times
- doubled
- tripled
- same
92. The volume of a wall, 5 times as high as it is broad and 8 times as long as it is high, is 18225 cu.m. Find the breadth of the wall.
- 32.5 m
- 5 m
- 4.5 m
- 3.5 m
93. The earth’s surface is covered either by land or by water. The proportion covered by land of that 3/5 covered by water. What fraction of the entire surface of earth is land?
- 1/2
- 3/8
- 1/3
- 2/5
94. A and B can do a piece of work in 72 days. B and C can do it in 120 days and A and C can do it in 90 days. In how many days can A alone do it?
- 80 days
- 100 days
- 150 days
- 120 days
95. An electric pump can fill a tank in 3 hours: Because of a leak in the tank, it took 3 ½ hours to fill the tank. The leak can drain all the water of the tank in -
- 21 hours
- 6 ½ hours
- 10 ½ hours
- 12 hours
96. The difference between simple interest and compound interest on a certain sum of money for 3 years at 10% pr annum is Rs.15 and paisa 50. The sum is—
- Rs. 5000
- Rs. 550
- Rs. 500
- Rs.11500
97. The first wrong number is 1, second wrong number is 3 and the third wrong number is 5 and so on. What is the 200th number?
- 199
- 299
- 399
- 499
98. A bottle contains 12 ounce’s of a medicine. Doctor advised the patient to take 2 ounces of medicine every half an hour. If the patient starts taking medicine at 7 am, how long will the medicine last?
- 9.30 am
- 12.30 pm
- 10.00 am
- 1.00 pm
99. Find the appropriate answer:
1f 56 x 72 = 79, 32 x 4 = 81, 9 x 12 = 34, 25 x 30 = 56 then, 49 x 42 =?
1f 56 x 72 = 79, 32 x 4 = 81, 9 x 12 = 34, 25 x 30 = 56 then, 49 x 42 =?
- 77
- 76
- 52
- 67
100. When the length of a right angled quadrilateral is increased by 2 units and its breadth is decreased by 2 Units, its area decreases by 28 square units. Similarly, if length is decreased by 1 unit and bread-th is increased by 2 Units, its area increases by 33 sq. units. What will be the area of the right angled quadrilateral?
- 352 sq. units
- 253 sq. units
- 223 sq units
- 225 sq. units