20 Questions

Time Left -

- Question 1 :
16 men can reap a field in 30 days. In how many days will 20 men reap the field?

- A25 days
- B24 days
- C30 days
- D23 days
- E20 days

- Question 2 :
If Rs. 6,000 amounts to Rs. 7,200 in 4 years, then the rate of interest is

- A4%
- B5%
- C6%
- D7%
- E10%

- Question 3 :
The supplement of right angle is always

- AAcute angle
- BObtuse angle
- CRight angle
- DReflex angle
- ENone of these

- Question 4 :
x

^{2}- 12x + 36 is equal to- A(x - 6)²
- B(x + 6)²
- C(6 - x)²
- D(6 + x)²
- E(x + 6) (x - 6)

- Question 5 :
Area of a room is 400 sq. m. If the length of tile is 20 cms. and breadth is 10 cm., the number of tiles required is

- A200
- B20
- C1000
- D20000
- E2000

- Question 6 :
A man sold a horse for Rs. 360 losing 4 % of the cost price. How much does he pay for the horse?

- ARs. 354
- BRs. 364
- CRs. 375
- DRs. 370
- ERs. 350

- Question 7 :
Coefficient of

*y*in - 3xy + 5 is- A- 3x + 1
- B- 3x
- C- 3
- D- 3x + 5
- E- 1

- Question 8 :
The ratio of the number of male and female teachers in a school is found to be 2 : 3. If there are 20 male teachers, the number of female teachers are

- A30
- B28
- C50
- D41
- E80

- Question 9 :
Write the smallest whole number

- A1
- B0
- C2
- D-1
- E3

- Question 10 :
Write the degree of the polynomial

*x*^{2}*yz-3xy*^{2}-z^{2}- A1st
- B2nd
- C3rd
- D6th
- E7th

- Question 11 :
The decimal notation of

- A0.125
- B1.25
- C0.0125
- D12.5
- E0.00125

- Question 12 :
Find the value of (-1)

^{49}(1)^{100}- A+1
- B50
- C100
- D-49
- E-1

- Question 13 :
8

^{0}x7^{1= ............}- A1
- B0
- C7
- D56
- E7.5

- Question 14 :
Diameter of a circle is

- AA chord of the circle
- BThe longest chord of the circle
- CSegment of the circle
- DA line passing through the centre
- EAll of these

- Question 16 :
- 19,31,46,64 .............
- A85
- B86
- C82
- D83
- Enone of these

- Question 17 :
The sides of two squares are in the ratio 3:4.The ratio of their areas is

- A3:4
- B6:7
- C9:16
- D6:8
- E1:1

- Question 18 :
There are 50 children in a village out of 450 people,the part of adult is

- A1/9
- B8/9
- C9/10
- D9/8
- Enone of these

- Question 20 :
A ray of light falls on a plane mirror with an angle of incidence equal to 60°. The angle of reflection is

- A50°
- B45°
- C70°
- D60°
- E120°