UP CONSTABLE QUANT QUIZ-3

Question 1:

$40 \%$ of $210+\sqrt{289} \times15-51 \times \sqrt{16}=$ ?

120

125

130

135

Question 2:

At simple interest a certain sum amounts to ₹ 12,000 in 5 years and to ₹ 18,000 in 8 years. What is the rate of simple interest per annum on offer?

$62.5 \%$

$150 \%$

$100 \%$

$12.5 \%$

Question 3:

A train crosses a platform 450 m long in 60 sec at a speed of 72 km/h, the time taken by the train to cross an electric pole is ?

37.5 sec

51 sec

45.5 sec

38 sec

Question 4:

What is the volume of the largest right circular cone that can be cut out from a cube whose edge is $10 \mathrm{~cm}$ ?

$\frac{250 \pi}{3} \mathrm{~cm}^3$

$\frac{351 \pi}{3} \mathrm{~cm}^3$

$\frac{145 \pi}{3} \mathrm{~cm}^3$

$\frac{150 \pi}{3} \mathrm{~cm}^3$

Question 5:

If $a: b: c=2: 3: 7$, then what is $2 a: 3 b: 7 c$ ?

$4: 9: 49$

$5: 10: 52$

$6: 10: 49$

$6: 10: 47$

Question 6:

The third proportional of 42 and 63 is:

$96.2$

$63.8$

$94.5$

$42.5$

Question 7:

On selling an article for ₹ $800$, a person loses $20 \%$ of its selling price. At what price should he sell it to gain $25 \%$ on its cost price?

₹ 1250

₹ 1280

₹ 1152

₹ 1200

Question 8:

The value of a machine depreciates every year by 10%. If its present value is ₹35,000, then the value of the machine after 2 years will be:

₹28,350

₹27,225

₹28,000

₹27,750

Question 9:

$\frac {5}{ 6}$ of a number is 655 , find $\frac {9}{ 20}$ of the same number.

$349.7$

$355.7$

$353.7$

$351.7$

Question 10:

Find the average of the numbers appearing on all 6 faces of a cubical die numbered 1 to 6 .

$3.4$

$3.2$

$3.5$

$3.6$