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partha

Questions (22)

A coin placed on a rotating turn table just slips if it is at a distance of 40cm from the centre if the angular velocity of the
1. 1 answer
2. 512 views
Two cones with same base radius 4 cm and height 8 cm are joined together along their bases. Find the surface area of the shape
1. 1 answer
2. 458 views
How much does it cost to paint a triangular surface of sides 6 m, 5 m and 11 m at the rate of ` 20/- per 2 m ?
1. 1 answer
2. 379 views
In a family of two children, find the probability that the family has two boys given that the first child is a boy.
1. 2 answers
2. 461 views
Find the mean, variance and standard deviation for the following data6, 12, 6, 8, 10, 8, 12, 8, 14, 16
1. 0 answers
2. 372 views
At what rate of interest per annum, the amount ` 10, 000/- will be doubled in 5 years, interest being compounded quarterly?
1. 1 answer
2. 473 views
Ramesh buys 150 shares of par value ` 10/- each of a company which pays annualdividend of 15% at such a price that he receives
1. 0 answers
2. 421 views
Which of the points P(2,0), Q(-3,0), R(0,4) and S(0,6) do not lie on the x-axis?1) R only 2) Q and S only 3) R and S only 4) Q,
1. 1 answer
2. 401 views
If 40C(n,5)=C(n,3),then what is C(n,n-1) ?1) 10 2) 20 3) 5 4) 6
1. 0 answers
2. 337 views
If the common difference of an A.P. is 7, then what is a20-a11?? 1) 64 2) 65 3) 66 4) 63
1. 0 answers
2. 410 views
The equation 6x-7y=5 has a unique solution if x, y are:1) Real numbers 2) Rational numbers 3) Irrational numbers 4) Natural
1. 1 answer
2. 677 views
which of the following is irrational?1) 0.26 2) 0.26161616.... 3) 0.2616616616.... 4) 0.26161161116...
1. 0 answers
2. 347 views
The ratio of number of male workers and female workers in a company is 5:1. If thecompany has 250 male workers, how many female
1. 1 answer
2. 650 views
The ratio of number of male workers and female workers in a company is 5:1. If thecompany has 250 male workers, how many female
1. 1 answer
2. 540 views
Split 597 into three parts such that these are in A.P. and the product of the two smallestparts is 796.
1. 0 answers
2. 475 views
The scale of a map is given as 1:2, 00000. Two cities are 3 cm apart on the map.Calculate the actual distance between them.
1. 1 answer
2. 539 views
Simplify the followingi) 40 2700 30 ii) 5 6 5 2 3 2 2 4 4 iii) 3 2 3 ( 5) 4 ( 10) iv) 2 2 1/ 2 1/ 2 3
1. 0 answers
2. 338 views
Assume that the population of India is 120 million. If 40.25% of the population hasheight below 5 ft. and 30.76% of the
1. 2 answers
2. 950 views
Rama Kant has a Gold coin of 150 gms. He distributed6 1 , 5 3 and 5 1 of the coin to his three daughters. Now how much gold is
1. 0 answers
2. 397 views
in how many ways can the letters of mahabharat be arranged so that, b and t are never together and m,a,t,h occurs at first four
1. 1 answer
2. 481 views
what sould be the angular speed with which the earth have to rotate on its axis so that a person on the equator would weight
1. 2 answers
2. 478 views
what body has the power to accept or reject a president's nominations to the supreme court?
1. 2 answers
2. 1,040 views

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