Which two signs should be interchanged to make the given equation correct?
20+5×3÷3-1=14

After interchanging the given two signs, what will be the value of the given equation?
 ×  and ÷
 47 + 13 ÷ 65 × 5 – 16

There are 120 students in a class, who read Maths or History or English. It is known that no student can read all three subjects. 24 read only Maths and History, 8 read only History and English and 21 read only Maths and English. 32 read only Maths and 13 only History. If 9 of the students who read only Maths start to read all three subjects, then find the percentage of students who read History?

Select the correct combination of mathematical signs to replace * signs and to balance the given equation.
555 * 5 * 11 * 25 * 4  

Find out the related number to complete the equation. If 175 = 42 and 325 = 16, 485 is equivalent to what?

If two signs, ‘+ and ÷’ are interchanged, which of the following equation will be correct?

What will be the difference between the first digit of the highest number as well as of the lowest number after the positions of the first two digits in each number of the following series 738, 429, 156, 273, 894 are reversed?

Which two symbols should be interchanged to make the following equation correct.
6 ÷ 5 + 12 × 4 – 7 =26