SSC CHSL QUANT QUIZ-3

The average runs scored by Sunil in 17 innings is 37. What is his score in the 17th inning, thereby, increasing his average score by 9 runs?

If $8 a^{3}+b^{3}=16$ and $2 a+b=4$, then find the value of $16 a^{4}+b^{4}$

What is the value of $x$, if $25 \%$ of $480+30 \%$ of $500+x \%$ of $90=35 \%$ of $900 ?$

The simple interest on a certain sum for $3 \frac{1}{2}$ years at the rate of $10 \%$ per annum is Rs.2,940. What will be the compound interest in Rs.) on the same sum for $1 \frac{1}{2}$ years at the same rate when interest is compounded half-yearly (nearest to a rupee)?

A solid cylinder has a radius of $9 \mathrm{~cm}$ and a height of $25 \mathrm{~cm}$. What is the ratio of its total surface area to its curved surface area?

Find the area (in $\mathrm{cm}^{2}$ ) and diameter (in $\mathrm{cm}$ ) of a circle whose circumference is $40 \pi \mathrm{cm}$ ?

The average weight of A, B and C is 65 kg. If the average weight of A and B is 62 kg and that of B and C is 66 kg, then the weight (in kg) of B is:

Simplify the following expression.$\frac{0.8 \times 0.8 \times 0.8+0.6 \times 0.6 \times 0.6}{0.08 \times 0.08+0.06 \times 0.06-0.08 \times 0.06}$

Anil offers his customer a discount of 15% on a T-shirt and he still makes a profit of 25%. What is the actual cost of the T-shirt marked ₹500?

Ram is travelling at a speed of 72 km per hour while Shyam is travelling at a speed of 90 km per hour. What is the difference in their speeds (in metres per second)?