The ratio of the prices of tea last year and this year is 5:6. The ratio of the prices of coffee last year and this year is 7:8. the sum of prices of a kg of tea and a kg of coffee this year is rs 48. find the price of tea last year if it was 20/21 of the price of coffee last year.
Approach please.
Maya has 5 red roses, 4 yellow, 6 pink and 5 white roses. She wants to make a bouquet using at least 3 flowers. In how many ways she can select the flowers?
Approach please
Approach
A man and a woman decide to meet for a blind date between 5PM and 6PM. Whoever reaches first, waits for the other for 20 minutes and then leaves (and dumps the other). What is the probability that they will meet and have a starry night :D? OA- 5/9
Mod(195!/394) ???
A bus has to travel a total distance of 480 km. After travelling a part of the distance the bus develops an engine problem and proceeds at 3/4 km of Its former speed and arrives at the destinatten 50 minutes late‘ ' Had the problem developed 40 km further on, the bus would have arrived 10 minutes sooner. Find the original distance it travelled without any problem, (A) 230 km (B) 300 km (C) 320 km (D) 360 km Approach plz and also plz mention smart method for this, if any.
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1) If 3a+6b+9c+4d = 100 and a ,b,c and d are natural numbers , then how many values d can take.
Bag A contains 3 red and 2 white balls and Bag B contains 2 Red and 5 white balls. A bag is selected at random, a ball is drawn and put into the other bag; and then a ball is drawn from the second bag. Find the probability that both the balls drawn are of same colour ???
Read the question carefully...
answer is 901/1680......I need the explanation ???
Can i have some good tricks for geometry n pnc
Approach??
Approach?
In how many ways can we select a pair of co-prime numbers a and b from {1, 2, 3, 4, 5, 6} ? Given that (a, b) is different from (b, a) and 'a' is not equal to 'b'.
what would be the answer for this ? IN CL MOCK it shows 22
A boy is asked to take a 2-digit number; multiply its digits and keep repeating the process until he gets a single digit number. What is the probability that this single digit is zero?
a) 1/6
b) 8/45
c) 4/15
d) 11/45
A can complete a work in 20days.B can complete the same work in 30 days while C can complete the work in 60days.They start working together but A leaves after 3days and B leaves 4days before the work was scheduled to be completed.For how many days did C work? ANS 39 DAYS.Plz explain approach
Task called ‘HELL IN WELL’ was going on in roadies. Rannvijay had to come out of well. Each time he tries to climb, he covers half the distance left and half a metre. If he comes out after 4 such climbings, the depth of well is:- (in m) {TITA}
A computer is available for rs39000 cash or rs17000 as cash down payment followed by five monthly installments of rs 4800 each. What is the rate of interest per annum under the installment plan ?