Riana already has 7 apples and in total she needs 18 apples. So to know the number of more apples she needs, we have to subtract the total number of apples from number of apple she already has to get the answer. 18 - 7 = 11

This is right answer. To get the number, we have to subtract 24 from 50. 50 - 24 = 26

This is a right answer. To find the distance that Kushal has to travel more, we have to subtract the distance that he has travelled from the total distance that he has to travel 650 - 268 = 402

This is the right answer. If we look the series given in the question. The next number is having the difference of 8 like 21 + 8 = 29, 29 + 8 = 37 and so on, So if we add 8 to 45, we will get he answer45 + 8 = 53

This is the right answer. 4000 + 500 + 60 + 7 is equal to 4567.

This is a right answer. To get the difference between the height of Suraj, we have to subtract the present height of Suraj from his previous height three years ago. 240 - 206 = 34.

This is a right answer. Here 4 is at hundred's place.

This is a right answer. As 46 is 26 more than 20 and 4 less than 50.

This is the right answer. 2 + 4 is 6 and 10 - 2 is 8. According to question, the number is more than 6 but less than 8. So, the number will be 7.

The difference of 63 and 8 is 55. As 55 is an odd number and it is the greatest odd number among the options. So this is the right answer.

This is a right answer. 5000 cannot be rearranged to get another four digit number as it has 3 zeros. If we rearrange 5000, we may get 3 digit or 2 digit numbers but not a 4 digit number.

This is a right answer. To get the age difference between Suresh and Mitul, we have to subtract the age of Mitul from the age of Suresh. 26 - 7 = 19

This is a right answer. One hundred less than 786 is 686.

To get the number of chocolates and number of wafers, we have to add them. 16 + 27 = 43

This is a right answer. To know the cost of Harish's meal, first we have to find out the cost of two cokes. The cost of one coke is Rs. 28, so the cost of two cokes is 28 + 28 = 56. Now the cost of one packet chips is Rs. 20. So, 56 + 20 = 76 So the total value of his meal is Rs. 76.