Question
The average age of a class of 24 girls is 15 years. If 6
new girls having average age of 10 years join the class, then the average age of the class becomes:Solution
Total age of 24 girls = 24 × 15 = 360 years Total age of 30 girls = 360 + (6 × 10) = 420 years Therefore new average age = 420/30 = 14 years
X and Y run a 3 km race along a circular course of length 300 m. Their speeds are in the ratio 3:2. If they start together in the same direction, how m...
In an objective type test of 90 questions, 5 marks are allotted for every correct answer and 2 marks are deducted for every wrong answer. After attempt...
Consider the following addition problem :
3P + 4P + PP + PP = RQ2; where P, Q and R are different digits.
What is the arithmetic mean...
Consider the following multiplication problem:
(PQ) × 3 = RQQ, where P, Q and R are different digits and R # 0.
What is the value of...
A Statement followed by Conclusion - I and conclusion – II is given below. You have to take the Statement to be true even if it seems to be at varian...
Consider two Statements and a Question :
Statement - 1: Each of A and D is heavier than each of B, E and F, but none of them is the heaviest. ...
If 32019 is divided by 10, then what is the remainder?
Two candidates X and Y contested an election. 80% of voters cast their vote and there were no invalid votes. There was no NOTA (None of the above) opti...
A pie chart gives the expenditure on five different items A, B, C, D and E in a household. If B, C, D and E correspond to 90°, 50°, 45° and 75° res...
A person X wants to distribute some pens among six children A, B, C, D, E and F. Suppose A gets twice the number of pens received by B, three times tha...
Relevant for Exams:
