GATE CE
General Aptitude
Numerical Ability
Previous Years Questions

## Marks 1

$$\underbrace {{\rm{a}}\,{\rm{ + }}\,{\rm{a}}\,{\rm{ + }}\,{\rm{a}}\,{\rm{ + }}\,.......\,{\rm{ + }}\,{\rm{a}}}_{{\rm{n}}\,{\rm{times}}} = {a^2}b$$ an...
A three-member committee has to be formed from a group of 9 people. How many such distinct committees can be formed?
For non-negative integers, a, b, c, what would be the value of a + b + c if $$\log \,a\, + \,\log \,b\, + \,\log \,c\, = \,0?$$Tower A is 90 m tall and tower B is 140 m tall. They are 100 m apart. A horizontal skywalk connects the floors at 70 m in both the towers. If a taut r... The temperature T in a room varies as a function of the outside temperature T0 and the number of persons in the room p, according to the relation $$T ... Hema's age is 5 years more than twice Hari's age. Suresh's age is 13 years less than 10 times Hari's age. If Suresh is 3 times as old as Hema, how old... ## Marks 2 In manufacturing industries, loss is usually taken to be proportional to the square of the deviation from a target. If the loss is Rs. 4900 for a devi... The annual average rainfall in a tropical city is 1000 mm. On a particular rainy day (24-hour period), the cumulative rainfall experienced by the city... A faulty wall clock is known to gain 15 minutes every 24 hours. It is synchronized to the correct time at 9 AM on 11th July. What will be the correct ... Given that$${{\log \,P} \over {y - z}} = {{\log \,Q} \over {z - x}} = {{\log \,R} \over {x - y}} = 10$$for$$x \ne y \ne z$$, what is the value of t... Each of the letters in the figure below represents a unique integer from 1 to 9. The letters are positioned in the figure such that each of (A+B+C), (... A fruit seller sold a basket of fruits at 12.5% loss. Had he sold it for Rs. 108 more, he would have made a 10% gain. What is the loss in Rupees incur... The price of a wire made of a superalloy material is proportional to the square of its length. The price of 10 m length of the wire is Rs. 1600. What ... Which of the following function(s) is an accurate description of the graph for the range(s) indicated?$$\eqalign{ & (i)\,\,y = 2x + 4\,for\, -... Each of the letters arranged as below represents a unique integer from 1 to 9. The letters are positioned in the figure such that (A $$\times$$ B $$... Consider a sequence of numbers$${a_1},{a_2},{a_3},....,{a_n}$$where$${a_n} = {1 \over n} - {1 \over {n + 2}}\$, for each integer n > 0. What is ...
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