RRB GROUP D QUANT QUIZ

Attempt now to get your rank among 3 students!

Question 1:

The average age of children in a family is 6 years and the average age of 12 the eldest is 40 years. If the average age of the group of all the children and the eldest is 7 years, then find the total number of children?

Question 2:

$\mathrm{ABC}$ is an equilateral triangle with height of length $12 \mathrm{~cm}$. What is the area of the triangle?

Question 3:

Pipe A can fill a cistern in 3 hrs. If a leakage devolops in the tank, it takes 20 mins more to fill the tank. In how much time the leakage alone will empty the full tank?

Question 4:

A train cover a distance of $10 \mathrm{~km}$ in 12 minutes. If it's speed decreased by $5 \mathrm{~km} / \mathrm{hr}$. the time taken by it to cover the same distance will be :

Question 5:

Direction: In the given pie-charts the per cent distribution of sportspersons on the basis of their country is shown. Total persons who participated in the event is 2200 and the ratio of Male to Female among them is 15:7.

The Male participants from Country $\mathrm{E}$ is what percentage more than the Female participants from Country $\mathrm{C}$?

निर्देश: दिए गए पाई-चार्ट में खिलाड़ियों का उनके देश के आधार पर प्रतिशत वितरण दिखाया गया है। आयोजन में भाग लेने वाले व्यक्तियों की कुल संख्या 2200 है और उनमें पुरुषों का महिलाओं से अनुपात $15: 7$ है।

Question 6:

Direction :- What will come in place of (?) in the following number series?
$145,170, ?, 226,257$

Question 7:

The product of the two numbers is 2028 and their HCF is 13. The number of such pairs is:

Question 8:

The present average age of $A, B$ and $C$ is 22 years. Three years ago, the average age of $B$ and $C$ was 18 years. Find A's age 9 years hence.

Question 9:

Find the value

$\frac{5 \sin ^{2} 30+\cos ^{2} 45^{\circ}-4 \tan ^{2} 30^{\circ}}{2 \sin 30^{\circ} \cos 30^{\circ}+\tan 45^{\circ}}$ is


Question 10:

Solve the following:-
$1112 \div 139-5$