Samanya Gyaan Darpan Solutions for Chapter: Practice Set, Exercise 50: Numerical Ability

The ratio between the present ages of Dheeraj and Raman is $2:3$ respectively. Four years ago, the ratio between their ages was $5:8$ respectively. What will be Dheeraj's age after $7$ years?

What approximate value should come in place of the question mark?

$4\frac{9}{13}\times 3\frac{6}{19}÷4\frac{4}{7}=?$

What approximate value should come in place of the question mark? (Note: you are not expected to calculate the exact value.)

$3968÷28\times (6{)}^2+410=?$

Three-tenth of a number is equal to$36\%$ of another number. If the sum of these two numbers is $88,$ then what is the value of the smaller number?

The difference between the circumferences of two circles is $132 \mathrm{cm}$ and the radius of smaller circle is $14 \mathrm{cm}.$ What is the radius of larger circle?

In a test, minimum passing percentage for reserved and unreserved category is $40\%$ and $54\%$ respectively. A candidate from unreserved category secured $300$ marks and failed by $24$ marks. What are the minimum passing marks of reserved category in that test?

Five-ninth of sixty-two percent of a number is equal to$2790.$ What is the number?

In how many different ways can the letters of the word 'POWERS' be arranged?