Basic Numeracy: Numbers and their Relations, Order of Magnitude (Class X level)

In a flower bed, there are 23 rose plants in the first row, 21 in the second row, 19 in the third row and 5 rose plants in the last row. The number of rows in the flower bed is :

The number of all three-digit numbers that are divisible by 7 is :

In a cricket match, five batsmen A, B, C, D and E scored an average of 41 runs. D scored 5 more than E; E scored 8 fewer than A; B scored 5 fewer than D and E combined; B and C scored 117 between them. How many runs did C score ?

Which of the following number is in the list of numbers 5, 11, 17, 23, ... ?

If a number 5a108 is completely divisible by 11, then the value of 'a' will be :

One card is drawn randomly from a well-shuffled pack of 52 cards. The probability of the drawn card being a face card is:

Of three numbers, the second number is twice the first and thrice the third. If the average of the three numbers is 44, the largest number is :

A person has to touch the top of a tower of 60 feet height. In every second, he climbs 5 feet, but slips down 4 feet. In how many seconds would he touch the top ?

In a month of 30 days, the last day is Saturday. What will be the date on the fourth Tuesday of that month ?

A printer numbers the pages of a book starting with 1A. If 4S is the last page of the book, then how many pages are in the book ?

Number 198 is divided into three parts such that 1/2 of the first part, 1/3 of the second part and 1/4 of the third part shall all be equal. Then the value of the largest part will be :

How many 3-digit even numbers can be formed, using the digits 0, 1, 2, 3, 4, 5, if repetition of the digits is allowed :

The median of the following data is:
17, 8, 9, 5, 26, 19, 13, 26, 29

The average of 4 consecutive odd numbers is 18. Then the product of the largest and smallest numbers among them is :

A man has ₹ 9,000 to invest. He invests ₹ 3,500 at 6% per annum simple interest and ₹ 3,000 at 5% per annum simple interest. In order to have a yearly income of ₹ 450, at what rate must he invest the remaining amount ?