Verbal Reasoning - Mental Ability Questions

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

24 + 4 - 20 ÷ 9 x 5 = 31

If 19!3 = 32, 13!4 = 18 and 12!2 = 20, then find the value of 17!3 = ?

Which of the following terms follows the trend of the given list?

PQPQPQPQ, RQPQPQPQ, PSPQPQPQ, PQRQPQPQ, PQPSPQPQ, _______________.

Two cars start from the opposite places of a main road, 150 km apart. First car runs for 25 km and takes a right turn and then runs 15 km. It then turns left and then runs for another 25 km and then takes the direction back to reach the main road. In the mean time, due to minor break down the other car has run only 35 km along the main road. What would be the distance between two cars at this point?

In the following question, select the missing number from the given series.

87, 62, 42, 27, 17, ?

If in the word 'DISTURBANCE', the first letter is interchanged with the last letter, the second letter is interchanged with the tenth letter and so on, which letter would come after the letter T in the newly formed word ?

 If 3@7 = 20, 8@1 = 18 and 6@5 = 22, then find the value of 4@4 = ?

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

12 - 16 x 25 ÷ 80 + 10 = 7