Question
A sum doubles in 8 years at compound interest. In how
many years will it become 4 times?Solution
ATQ,
(1+r)8 = 2 4 = 2² = (1+r)(16) So time = 16 years
In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. Select the set in which th...
If A denotes ‘addition’, B denotes ‘multiplication’, C denotes ‘subtraction’, and D denotes ‘division’, then what will be the value of t...
Select the correct water image of the given figure.

If the signs – and + are interchanged, then which of the following equations would be correct?
What will be the total number of days from 20 February 2020 to 15 April 2020, by including both the days?
Find the missing term in the following number series:
4, 9, 25, 49, 121, _____
Study the given pattern carefully and select the numbers from among the given options that can replace the question marks (?).
Study the given diagram carefully and answer the question that follows. The numbers in different sections indicate the number of women using different b...
Select the option that represents the correct order of the given words as they would appear in an English dictionary.
1. Machine
2. Macabr...
Which of the following options is the closest approximate value that should come in place of the question mark (?) in the following equation?
14....