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Railway RRB RRC NTPC,GROUP-D FREE MOCK TESTS/ARITHMETIC TEST-06

0
1/10
The length of a direct common tangent to two circles where d is the distance between the centres of the circles, and r1 and r2 are the radii of the given circles.
√d^2(r1.r2)
√d^2-(r1+r2)^2
√d^2(r1.r2)^2
√d^2-(r1-r2)^2
Explanation: √d^2-(r1-r2)^2
2/10
Find the least perfect cube divisible by 2, 3, 4 and 6.
512
1728
216
360
3/10
The difference between two integers is 5 and their product is 500. Find the numbers
30, 25
15, 20
25, 20
21, 26
4/10
Area of a square field is 24200 m². How long will it take for a person to cross the field diagonally at the rate of 4.4 km/h?
2.5 minutes
2 minutes
4 minutes
3 minutes
5/10
Find the volume of a sphere whose surface area is 1386 m²
4651 m³
4851 m³
3850 m³
5711 m³
6/10
"Eighteen men can complete a piece of work in 64 days. 9 women can complete it in 108 days, whereas 7 children can finish it in 216 days. How many days will 16 men, 9 women and 21 children together take to complete the same work?"
27
45
42
32
7/10
Five years ago, ratio of ages of P and Q was 7 : 9. Ten years hence, this ratio would become 5 : 6. What is the ratio at present?
2 : 1
4 : 5
5 : 4
6 : 7
8/10
Tank 'A' is two-fifths full. Pipe P can fill it in 10 minutes while pipe Q can empty it in 6 minutes. In what time )7 minuteswill the tank get empty, if both P and Q are opened?
7 minutes
6.5 minutes
6 minutes
5.5 minutes
9/10
Simplify: 0.05 × 0.002
0.0001
0.01
0.001
0.1
10/10
"If only the measures of the diagonals are given, which of these quadrilateral can be constructed? 1) Square 2) Rectangle 3) Rhombus"
1 and 2
1 only
3 only
1 and 3
Result:

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