Questions in Set : 20
New MCQs in each set
Medium : English

Press Finish for Result and Answer

1.

X alone can finish a work in 18 days. Y alone can finish the same work in 9 days, if X, Y and Z together can finish the same work in 4 days, then in how many days Z alone can finish the work ?

12 days

10 days

14 days

16 days

None

2.

Find the mean proportion of 3 and 27.

5

10

6

9

None

3.

if 2a + b = 10, 2ab = 9, and 2a > b, then find the value of 2a - b.

12

6

8

10

None

4.

A sum of Rs. 7500 amounts to Rs. 15000 in two years at compound interest calculated annually. How much will Rs. 7500 becomes in four years ?

Rs. 60000

Rs. 30000

Rs. 50000

Rs. 45000

None

5.

Angle subtended by a chord xy on the centre of a circle is 180 degree. if length of this chord is 36 cm, then what will be the radius of this circle ?

24 cm

18 cm

27 cm

21 cm

None

6.

what is the third proportion of the numbers 15 and 30 ?

45

50

40

60

None

7.

The speed of a bus is 108 km/hr. Find the distance covered by the bus in 2 seconds.

16 m

30 m

20 m

60 m

None

8.

The value of 11 \(\div\)[1+1 \(\div\)(1 + 1 \(\div\) 3)}] is:

1

7

9

11

None

9.

If a + b + c = 0, then what is the value of \(a^3\) + \(b^3\) + \(c^3\) - 3abc ?

-1

1

0

2

None

10.

If cot y = \(\frac{12}{5}\) then what is the value of \(cos^2\)y ?

\(\frac{72}{143}\)

\(\frac{72}{91}\)

\(\frac{144}{169}\)

\(\frac{84}{143}\)

None

11.

2/5 of marked price is equal to 5/8 of selling price. What is the discount percent ?

40 percent

42 percent

36 percent

50 percent

None

12.

Find the area of a triangle whose length of each side is 13 inches. 15 inches and 14 inches.

84 square inches

81.2 square inches

42.1 square inches

84.2 square inches

None

13.

What is the value of \(\dfrac{1 +x^2}{1-x}\) \(\div\) \(\dfrac{1 -x^4}{x-1}\) \(\times\) \(\dfrac{x(1 -x)}{(1+x)}\) ?

\(\dfrac{-x}{1+2x^2}\)

\(\dfrac{-x}{1+x}\)

\(\dfrac{-x}{(1+x)^2}\)

\(\dfrac{-x}{1+x^2}\)

None

14.

What is the value of \(\dfrac{\frac52\div\frac25\times\frac15-\frac15\div\frac35\times\frac52}{\frac25\div\frac15-\frac12\times\frac52\div\frac{25}{4} +\frac12\div\frac25\times\frac15}\)?

31/127

32/127

28/125

25/123

None

15.

if base radius and height of a cylinder are 4cm and 5 cm, respectively, then find the curved surface area of the cylinder [use \(\pi\)= 3.14].

125.6 \(cm^2\)

138 \(cm^2\)

129.8 \(cm^2\)

119.6 \(cm^2\)

None

16.

In an election between two candidates, Ravi gets 65% of total valid votes. if total votes were 6000, what is the number of valid votes that the other candidate Sushil gets, if 25% of total votes were invalid ?

1775

1625

1575

1525

None

17.

what is the value of $ \left( \frac { 1 + sec^2A} {1 + cos^2 A}\right) \left( \frac {1 + sin ^2 A} {1 + cosec ^2A}\right) $

\(cos^2\) A

\(cosec^2\) A

\(sec^2\) A

\(tan^2\) A

None

18.

if a + b = 12 and ab = 35, find the value of \(a^4\) + \(b^4\) - \(10^3\) ?

2226

2026

2126

1226

None

19.

A shopkeepr marks up his goods by 30% and then gives a discount of 10 % on the marked price. A part from this, he uses a faulty balance which reads 1 kg for 870 g. what is his net profit percentage ?

38.42%

34.84%

34.48%

38.24%

None

20.

If 20 percent of P is added to 40 percent of Q then the resultant comes as 80 percent of Q, P is what percentage of Q?