2020Quantitative Aptitude
The age of a father is twice that of the sum of the ages of his two sons. 20 years later, the age of the father will become the sum of the ages of his two sons. The present age of the father is
GS Paper II (CSAT)
Narrow by subject and work through the questions in order.
The age of a father is twice that of the sum of the ages of his two sons. 20 years later, the age of the father will become the sum of the ages of his two sons. The present age of the father is
A monkey climbs a 12 meters high slippery pillar. In his first minute, he climbs 2 meters and in the next minute, he slips one meter down. In this way, how much time will he take to reach the top of the pillar?
A rectangular field is 112 mt. long and 62 mt. broad. A cubical tank of edge 6 mt. is dug at each of the four corners of the field and the soil so removed is evenly spread on the remaining field. Find the rise in the level of the field.
3 men or 7 women finish a work in 32 days. 7 men and 5 women together will finish the twice of this work in
The mean of first twenty positive even numbers is
Probability is an attribute of
A shopkeeper marks the price of an article 20% above its cost price. He offers some discount on the marked price and gains a profit of 8%. Rate of discount is
Mode of the observations 10, 11, 16, 17, 12, 13, 17, 16, 16, 12, 16, 10, 15, 16, 10 is
Two trains of length 127 mt. and 98 mt. are moving in opposite directions with speed 35 km/hr and 55 km/hr respectively. After meeting they will cross each other in
Seventeen candidates appeared in an examination. The marks of the candidates who failed in the examination are 10, 9, 6, 7, 8, 8, 7, 5, 4, 6. The median of marks of all seventeen candidates is
The diagonals of a rhombus are 32 cm and 24 cm. Its perimeter will be
A and B are two sets. A has 10 members and B has 18 members. A ∪ B = 20. The number of members in A ∩ B will be
Two variables y and x are related as y = 5x + 4. The arthimetic mean of x is 10. Arithmetic mean of y will be
If you write down all the numbers from 1 to 100, then how many times do you write 3?
The radius of a solid sphere of a metal is 3 cm. How long wire of diameter 4 mm can be drawn from it?