- 6 km/h
- 5 km/h
- 4 km/h
- 1 km/h
- d
-
Suppose he move 4 km downstream in x hours. Then,Speed downstream =(x4) km/hrSpeed upstream =(x3) km/hr∴(4/x)48+(3/x)48=14 or x=21So, Speed downstream = 8 km/hr, Speed upstream = 6 km/hr.Rate of the stream =21(8−6)km/hr=1km/hr
Mathematics MCQs
All Mathematical MCQs from different papers are solved in this sections. All Math related MCQs have uploaded in this portion of ETEST Website. Visitors should visit ETEST Website regularly for Best Jobs Tests Preparation because ETEST Team updates ETEST Website on daily basis.
The Cube root of 0.000216 is:
- 0.6
- 6.1
- 0.06
- 0.0006
- c
What is the square root of 0.16?
- 0.4
- 0.5
- 0.6
- 0.7
- a
A number is as much greater than 36 as is less than 86. Find the number?
- 61
- 62
- 63
- 64
- a
-
x-36 = 86-xx+x = 86+362x = 122x = 122/2 = 61
A Batsman makes a score of 87 runs in the 17th inning and thus increase his average by 3. Find his average after 17th inning?
- 36
- 37
- 38
- 39
- a
When you divide 0.7 by 10 you will get:
- 0.07
- 0.007
- 7
- 1
- a
-
0.7/10
7/10*10
7/100
0.07
5 1/5 + 4 ½ + 4 1/3 = ?
- 14 1/20
- 13 1/5
- 14 1/30
- 14 1/10
- c
-
5 1/5 + 4 ½ + 4 1/3
25/5 + 9/2 +13/3
[(25*6) + (15*9) + (10*13)] / 30
(156+135+130) / 30
421/30
14 1/30
A man can do a piece of work in 5 days, but with the help of his son he can do it in 3 days. In what time can the son do it alone?
- 4.5 days
- 5.5 days
- 6.5 days
- 7.5 days
- d
A TV is purchased at Rs.5000 and sold at Rs.4000. Find the lost percent?
- 20%
- 25%
- 35%
- 100%
- a
-
Purchase Price = 5000
Sale Price = 4000
Loss %age = Difference /Purchase Price*100
Loss%age = 1000/5000*100
20
The ratio of cost price and selling price is 4:5. The profit percent is:
- 5%
- 10%
- 20%
- 30%
- c
-
Let C.P. = Rs. 4x. Then, S.P. = Rs. 5x
Gain = (5x – 4x) = Rs. xGain % = (x * 100)/ 4x = 25%.