Career Focus Math

A, B and C jointly thought of engaging themselves in a business venture. It was agreed that A would invest Rs. 6500 for 6 months, B, Rs. 8400 for 5 months and C, Rs. 10,000 for 3 months. A wants to be the working member for which, he was to receive 5% of the profits. The profit earned was Rs. 7400. Calculate the share of B in the profit. Rs. 1900 Rs. 2660 Rs. 2800 Rs. 2840

A and B invest in a business in the ratio 3 : 2. If 5% of the total profit goes to charity and A's share is Rs. 855, the total profit is: Rs. 1425 Rs. 1500 Rs. 1537.50 Rs. 1576

One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card (Jack, Queen and King only)? 1 13 3 13 1 4 9 52

A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is: 1 13 2 13 1 26 1 52

Two dice are tossed. The probability that the total score is a prime number is: 1 6 5 12 1 2 7 9

From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings? 1 15 25 57 35 256 1 221

In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize? 1 10 2 5 2 7 5 7

In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected, is: 21 46 25 117 1 50 3 25

What is the probability of getting a sum 9 from two throws of a dice? 1 6 1 8 1 9 1 12

2. A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue? 10 21 11 21 2 7 5 7

Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5? 1 2 2 5 8 15 9 20

A father said to his son, "I was as old as you are at the present at the time of your birth". If the father's age is 38 years now, the son's age five years back was: 14 years 19 years 33 years 38 years

Sachin is younger than Rahul by 7 years. If their ages are in the respective ratio of 7 : 9, how old is Sachin? 16 years 18 years 28 years 24.5 years None of these

At present, the ratio between the ages of Arun and Deepak is 4 : 3. After 6 years, Arun's age will be 26 years. What is the age of Deepak at present ? 12 years 15 years 19 and half 21 years

The sum of the present ages of a father and his son is 60 years. Six years ago, father's age was five times the age of the son. After 6 years, son's age will be: 12 years 14 years 18 years 20 years

Six years ago, the ratio of the ages of Kunal and Sagar was 6 : 5. Four years hence, the ratio of their ages will be 11 : 10. What is Sagar's age at present? 16 years 18 years 20 years Cannot be determined None of these