If 1 # 3 # 7 = 21 and 12 # 1 # 3 = 36, then 14 # 2 # 0 = ?

If 'L' stands for '+' , 'M' stands for '-', N stands for 'x', P stands for '÷' then 14 N 10 L 42 P 2 M 8 = ??

Angles of a given triangle are in the ratio of 2 : 3 : 4 What kind of triangle is the given triangle?

A boy is asked to put in a basket one mango when ordered 'one', one orange when ordered 'two', one apple when ordered 'three' and is asked to take out from the basket one mango and orange when ordered 'four'. A sequence of orders is given as 1 2 3 3 2 1 4 2 3 1 4 2 2 3 3 1 4 1 1 3 2 3 4. How many total oranges were in the basket at the end of the above sequence?

In a certain code language, '-' represents '+', '+' represents '×', '×' represents '÷' and '÷' represents '-'. Find out the answer to the following question.20 ÷ 2 - 3 + 10 × 6 = ?

Out of the 60 student of a class, 29 took Mathematics, 32 took Biology and 8 took none of the two subjects. How many students took both Mathematics and Biology?

A tailor had to cut a certain number of shirts from rolls of full-length fabrics. He cut each roll into 11 pieces of equal length. He cut the rolls of fabrics at a rate of 50 pieces per minute. How many rolls of fabric would he be able to cut in 25 minutes?

If 27 * 4 = 77 and 31 * 9 = 239, then 21 * 6 = ?

If 'A' stands 'division', B stands for 'multiplication', C stands for 'subtraction' and D stands for 'addition’, then what is the value of the following equation?(5 B 5) B 3 D (8 B 2) C (98 A 14) B 2 = ?

In the given equation, LHS = RHS only when we interchange numbers ______ on the same side.5 + 3 × 6 – 4 ÷ 2 = 4 × 3 – 10 ÷ 2 + 7

If ‘+’ represents ‘×’, ‘÷’ represents ‘+’, ‘-’ represents ‘÷’ and ‘×’ represents ‘-’, then find the value of the following expression.8 + 4 ÷ 15 – 3 × 1

In a certain code language, '+' represents '×', '-' represents '+', '×' represents '÷' and '÷' represents '-'. What is the answer to the following question?42 × 7 ÷ 7 + 9 - 62 = ?

Among four bags, B1 is twice the weight of B2. B3 is half of the weight of B2. B4 is 10 kg heavier to B2, but 10 kg lighter to B1. What is the weight (in kg) of B4?

J, K L, M, N and O are six teachers. Each one teaches a different subject out of Hindi, English, Math, Science, Social Science and Arts, NOT necessarily in the same order. Each of them teaches on only one day, from Monday to Saturday. NOT necessarily in the same order. J teaches Arts on Saturday. L teaches neither English nor Social Science, but he teaches on Thursday. Wednesday is reserved for Maths taught by K. O teaches Science a day before N. Social Science is taught a day before Arts. Who teaches Social Science?

2/3 of my current age is the same as 3/4 of that of one of my cousins’.My age three years ago will be his age four hence. My current age is _____ years.