Find the probability that a leap year selected at random will have 53 Thursdays or 53 Fridays.
A dishonest milk vendor sells milk at his cost price but he adds 200 ml of water to every litre of milk and he gives 20% less than the quantity he claims to give.Find the profit percentage of the vendor in selling 10 litres?
- 36%
- 45%
- 50%
- 56.25%
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Find the number of integral solutions of the equation 3a+5b+7c+15d=85, where a,b,c,d have to be positive integers.I don't have the answer though. Please explain the approach. Thank you!
Find the number of ways in which 14 identical and indistinguishable balls can be divided into three groups.
A)16
B)17
C)18
D) 19
(1+4p)/p , (1-p)/4 , (1-2p)/2 are the probabilities of mutually exclusive events. Find the value of p.
2 numbers a and b are chosen at random from the set of first 30 natural numbers. Find the probability that a^2 - b^2 is divisible by 3.
A hound pursues a hare. Hound takes 5 leaps for 4 leaps of hare. And 4 leaps of hound are equal to 5 leaps of hare. Find the ratio of speeds of hound and the hare.
A junction of two highways is patrolled by two cars, one on each road. Each car covers a distance of 5 km on either side of the junction on its road. If the speeds of the 2 cars are 50 km/hr and 75 km/hr and they start from the junction at 6 a.m. from the same point, when will they meet next time?
a 6 : 16 a.m. b 6 : 24 a.m. c 6 : 30 a.m. d 6 : 48 a.m.
A and B are running a 500 meter race. Their speeds are in the ratio of 5 : 4 respectively.If a gives a start of 140 m to B, by what distance is A defeated? pls provide method also
There are 10 different books and 20 copies of each book in a library. In how many ways can one or more than one book be selected.
In how many ways can 8 distinguishable balls be put into 5 distinguishable boxes if no box can contain more than one ball?
How many different terms does the product (a + b + c+ d + e + f)(c + d + e + f + g) have ?
In an over 7 runs were scored..only 0,1,2,3,4,6 runs on a ball are possible.what is the probability of at least one dot ball(0 run) by the batsmen.
Looking for an efficient method. Please share approach.
OA: 115/116
City Central Multiplex employs 64 men to complete the construction of a 5 level parking lot. The men who work for 8 hours a day, manage to complete the construction of two levels in 9 days. If they are to complete the remaining 3 levels in 8 more days, how many hours a day should they be working?
The densities of 3 kinds of petrol P1, P2, P3 are 9:7:5. The
density of P1 is 18 gm/cc. P1, P2, P3 are mixed in the ratio of 6:5:4 y
weight. If 1 litre of P3 costs Rs. 40, find the cost of P3 in 450 kg of
the mixture.
There is a Rectangle ABCD, where AB=10cm and BC=6cm. Another rectangle, PQRS is placed inside it, with PQ=5cm and QR=4cm. What is the length of the longest possible rod that can be placed inside ABCD, without intersecting PQRS? (TITA Question. Upto 2 Decimal Places).
sam cuts ten equilateral triangles such that every triangle is congruent to exactly one other triangle.he keeps them in a box.in how many ways can he withdraw 4 triangles such that no two are congruent ?
a is k percent more than b
if a increases by 10% b increases by 15%
if b increases by 10% then k will????
A certain number is divided by 385 by division by factors. The quotient is 102, the first remainder is 4, the second is 6 and the third is 10. Find d no
Options 39654 32754 38554 none of dese