Question
Four number-pairs have been given, out of which three
are alike in some manner and one is different. Select the number-pair that is different.Solution
The logic followed here is: Second number = 2 X First number - 3 (32 – 61) → 32 X 2 = 64 – 3 = 61. (47 – 91) → 47 X 2 = 94 – 3 = 91. (39 – 75) → 39 X 2 = 78 – 3 = 75. (78 – 159) → 78 X 2 = 156 – 3 = 153.
A school bag is sold for Rs.360 after giving two successive discounts of 10% and 20%. If school bag is marked up by Rs.280 above its cost price, then fi...
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
- Ram has Rs. 1000 in denomination of Rs. 2, Rs. 5 and Rs. 10 only. If the ratio of number of coins of Rs. 2, Rs. 5 and Rs. 10 is 5:3:10 respectively. Find t...
The average weight of certain number of students in a class is 72 kg. 8 students whose average weight is 75 kg left the class and 3 students whose avera...
Find the LCM of x2 - 3x + 2 and x2 - 5x + 6
Insert correct pair of arithmetical symbols respectively in the equation for it to be a correct equation.
8 ? 4 ? 2 = 16
...Two towns D and E are 456 km apart. A car leaves D at 5:15 a.m. at 57 km/h. Another car leaves E at 6:45 a.m. towards D at 76 km/h. When will they meet?
Rs. ’P’ invested at a rate of 10% p.a. compound interest (compounded annually) amounts to Rs. 7865 at the end of 2 years. Find the simple interest e...
- In an election between two candidates ‘A’ and ‘B’, the ratio of number of votes they got is 5:8, respectively. If ‘B’ wins the election by 4650...
Present age of ‘P’ is 50% more than that of ‘Q’. 6 years ago, ‘P’ was twice as old as ‘Q’. What is the present age of ‘Q’?
...
Relevant for Exams:
