Subject Experts Solutions for Chapter: Mathematical Operations & Arithmetical Reasoning, Exercise 1: EXERCISE

If L stands for $+$, M stand for $-$, N stand for $\times$, P stand for $÷$, then $14$N$10$L$42$P$2$M$8$ = ?

In the following equation, which one of the four option interchanges in signs and numbers would make the given equation correct.

$6\times 4+2 = 16$

Three statements of numbers following same rule are given. Find the rule and accordingly find the value of the number?

If $32\times 41=15$ ; $51\times 34=47$; $41\times 52=37$, then $87\times 53 = ?$

Three statements of numbers following same rules are given. Find the rule and accordingly find the value of the number?

If $2\times 1=81$; $3\times 2=278$; $2\times 5=8125$, then $1\times 3=?$

The total of the ages of Amar, Akbar and Anthony is $80$ years. What was the total of their ages three years ago ?

Two bus tickets from city A to B and three tickets from city A to C cost $₹77$ but three tickets from city A to B and two tickets from city A to C cost $₹73$. What are the fares for cities B and C from A ?

A student got twice as many sums wrong as he got right. If he attempted $48$ sums in all, how many did he solve correctly ?

In a group of cows and hens, the number of legs are $14$ more than twice the number of heads. The number of cows is