Maths Quiz Test Of 26th December

12 kg of rice costing 30 per kg is mixed with 8 kg of rice costing 40 per kg. The average per kg price of mixed rice is

(A) 35

(B) 34

(C) 38

(D) 37

A sum of Rs.10600 is divided among P, Q, R in such a way that P gets Rs.1400 more than what Q gets and Q gets Rs.1600 more than what R gets. The ratio of their shares is

(A) 16: 9: 18

(B) 27: 18: 10

(C) 18: 25: 10

(D) 16: 25: 10

The sum of the squares of 3 consecutive positive numbers is 365. The sum of the numbers is

(A) 36

(B) 45

(C) 30

(D) 33

A boat running upstream takes 7 hours and 40 minutes to cover a certain distance while it takes 5 hours to cover the same distance downstream. What is the ratio between the speed of the current and speed of the boat respectively? 

(A) 13: 4

(B) 17: 4

(C) 19: 4

(D) 4: 19

A man can swim at the rate of 3 km/hr. in still water. Then, if speed of the stream is 2 km/hr., then in what time he will cover a total distance of 5 km in with the stream and against the stream?

(A) 6 hours

(B) 6.5 hours

(C) 4 hours

(D) 5 hours

If the numerator of a fraction is increased by 250% and the denominator is increased by 400%. The resultant fraction is7/19 . What is the original fraction?

(A) 5/8

(B) 10/19

(C) 18/23

(D) 15/17

Gagan started a business and Michael joined him after 2 months. Gagan spent Rs.15000 while Michael spent Rs.27,000. Their one year profit came out to Rs.5000. How much profit will Gagan get?

(A) 3000

(B) 2000

(C) 1500

(D) 2750

LCM of two numbers is 2079 and their HCF is 27. If one of the numbers is 189, the other number is

(A) 297

(B) 584

(C) 189

(D) 216

If the square root of 841 is 29, then 0.00000841 is equal to :

(A) 0.00029

(B) 0.29

(C) 0.029

(D) 0.0029

Two pipes A and B can fill a tank in 3 hours and 5 hours. Then, if all three are open, the tank is filled in 30 hours. Find in how many hours a third pipe will empty the tank?

(A) 4 hours

(B) 2 hours

(C) 8 hours

(D) 6 hours