Operating System
Advait 1. If following equations? A) b) c) d)
Aptitude Test TCS-1
Awareness Development Initiative is a root of which of the
, where b is a rational number, then
2. From the top of a tower of height 180 m the angles of depression of two objects on either sides of the tower are 30° and 45°. Find the distance between the two objects. a) b) c) d) 3. A amount of 20,900 is taken as loan at 9% p.a., compound interest. If it is to be repaid in 2 equal annual instalments, what is the value of each instalment (in rupees)? a)र10,450 b) र10,000 c) र12,000 d) र11,881 4. Bronze is an alloy of copper and tin in the ratio of 5 : 1. Brass an alloy of copper and zinc, consists of these elements in the ratio of 2 : 3. A new alloy is formed by melting bronze and brass, such that the contribution of copper in the new alloy is equal from brass and bronze. By what percent is the quantity of zinc present, more than the quantity of tin, in the new alloy? a)750% b) 650% c) 50% d) 325% 5. The distance between two stations A and B is 180 km. From a station C, which is between A and B, two cars x and y started simultaneously with speeds of 11 kmph and 13 kmph towards A and B respectively. After reaching their respective destinations, they immediately turn back towards C. When car x crosses the C and travels an additional 5 km, it crosses the car y. What is the distance between the points A and C? a)120 km b) 150 km c) 80 km d) 70 km 6. Gayatri Books and Binding works prepares 24 cm ´ 24 cm drawing sheets. Ramu, a worker in the unit is supposed to pack less than 250 sheets per hour into bundles. If he packs 6 sheets less per bundle, then he can pack 12 bundles more per hour. Find the number of sheets he packs per hour, if he packs at least 15 bundles per hour. a)224 b) 204 c) 228 d) 214
7. Four digit numbers are formed using the digits 0 to 4 without repetition. The probability that a number thus formed is divisible 3 is a)3/8 b)1/2 c) 5/8 d) 3/4 8. Sum of first 9 terms of an
Aptitude Test TCS-1
Awareness Development Initiative is a root of which of the
, where b is a rational number, then
2. From the top of a tower of height 180 m the angles of depression of two objects on either sides of the tower are 30° and 45°. Find the distance between the two objects. a) b) c) d) 3. A amount of 20,900 is taken as loan at 9% p.a., compound interest. If it is to be repaid in 2 equal annual instalments, what is the value of each instalment (in rupees)? a)र10,450 b) र10,000 c) र12,000 d) र11,881 4. Bronze is an alloy of copper and tin in the ratio of 5 : 1. Brass an alloy of copper and zinc, consists of these elements in the ratio of 2 : 3. A new alloy is formed by melting bronze and brass, such that the contribution of copper in the new alloy is equal from brass and bronze. By what percent is the quantity of zinc present, more than the quantity of tin, in the new alloy? a)750% b) 650% c) 50% d) 325% 5. The distance between two stations A and B is 180 km. From a station C, which is between A and B, two cars x and y started simultaneously with speeds of 11 kmph and 13 kmph towards A and B respectively. After reaching their respective destinations, they immediately turn back towards C. When car x crosses the C and travels an additional 5 km, it crosses the car y. What is the distance between the points A and C? a)120 km b) 150 km c) 80 km d) 70 km 6. Gayatri Books and Binding works prepares 24 cm ´ 24 cm drawing sheets. Ramu, a worker in the unit is supposed to pack less than 250 sheets per hour into bundles. If he packs 6 sheets less per bundle, then he can pack 12 bundles more per hour. Find the number of sheets he packs per hour, if he packs at least 15 bundles per hour. a)224 b) 204 c) 228 d) 214
7. Four digit numbers are formed using the digits 0 to 4 without repetition. The probability that a number thus formed is divisible 3 is a)3/8 b)1/2 c) 5/8 d) 3/4 8. Sum of first 9 terms of an