Logical Reasoning Previous Questions from PSC, UPSC, IBPS and SSC

4567.8 + (14 × 9.8) = 5038 − ?

27% of 450 − ?% of 375 = 76.5

12.5 × 6.7 × 4.2 = ?

311 × 17 − 2482 = ?

147 ÷ 5 ÷ 0.3 = ?

34928 − 2591 − 14986 = ?

415.25 − 627.10 + 958.55 = ?

In which of the following years was the number of candidates qualified from Chennai, the maximum among the given years ?

The speed of a boat when travelling downstream is 32 Kms. / Hr. , whereas when travelling upstream it is 28 kms/hr. What is the speed of the boat in still water ?

4 men can complete a piece of work in 2 days. 4 women can complete the same piece of work in 4 days whereas 5 children can complete the same piece of work in 4 days. If, 2 men, 4 women and 10 children work together, in how many days can the work be completed ?

Three friends J, K and L jog around a circular stadium and complete one round in 12, 18 and 20 seconds respectively. In how many minutes will all the three meet again at the starting point ?

The respective ratio of the present ages of a mother and daughter is 7 : 1. Four years ago the respective ratio of their ages was 19:1. What will be the mother’s age four years from now ?

The compound interest earned by Suresh on a certain amount at the end of two years at the rate of 8 p.c.p.a was Rs. 1,414.4. What was the total amount that Suresh got back at the end of two years in the form of principal plus interest earned?

If '/' means '+ '*'-' means '*' ; ' *' m e a n s ' / ' and '+' means '-'; then

1 5 - 8 * 6 / 1 2 + 4 =?

In a certain code language 'how many goals scored' is written as '5 3 9 7'; 'many more matches' is written as '9 8 2'; and 'he scored five' is written as '1 6 3' . How is 'goals' written in that code language?

 Mr Shamin's salary increases every year by 10% in June. If there is no other increase or reduction in the salary and his salary in June 201 I was Rs 22,385. what was his salary in June 2009?

A shopkeeper labelled the price of his articles so as to earn a profit of 30% on the cost price, He then sold the articles by offering a discount of 10% on the labelled price. What is the actual percent profit earned in the deal? 

Profit earned by an organisation is distributed among officers and clerks in the ratio of 5:3. If the number of officers is 45 and the number of clerks is 80 and the amount received by each officer is Rs 25,000, what was the total amount of profit earned?

Out of five girls and three boys. four children are to be randomly selected for a quiz contest. What is the probability that all the selected children are girls?

 Amit and Sujit together can complete an assignment of data entry in five days. Sujit's speed is 80% of Amit's speed and the total key depressions in the assignment are 5,76,000. What is Amit's speed in key depressions per hour if they work for 8 hours a day?

Inside a square plot, a circular garden is developed which exactly fits in the square plot and the diameter of the garden is equal to the side of the square plot which is 28 metres. What is the area of the space left out in the square plot after developing the garden?

The product of one-third of a number and 150% of another number is what percent of the product of the original numbers? 

It the length of a rectangular field is increased by 20% and the breadth is reduced by 20%, the area of the rectangle will be

192 m². What is the area of the original rectangle?

Mr X invested a certain amount in Debt and Equity Funds in the ratio of 4 : 5. At the end of one year. he earned a total dividend of 3094 on his investment. After one year, he reinvested the amount including the dividend in the ratio of 6 : 7 in Debt and Equity Funds. If the amount reinvested in Equity Funds was Rs 94,500, what was the original amount invested in Equity Funds?

A number series is given. In each series, only one number is wrong. Find out the wrong number.

7 13 25 49 97 194 385 

A number series is given. In each series, only one number is wrong. Find out the wrong number.

 32 16 24 65 210 945 5197.5 

A number series is given. In each series, only one number is wrong. Find out the wrong number.

 2 8 12 20 30 42 56

A number series is given. In each series, only one number is wrong. Find out the wrong number.

4 12 42 196 1005 6066 42511 

A number series is given. In each series, only one number is wrong. Find out the wrong number.

3601 3602 1803 604 154 36 12

Which of the following would be the Step II?