Page 27 - CT&AI_CLasa_7_Part_1

cbse handbook questions

Tick ( ) the correct option.
1. 5A, 5B, and C9 are 2-digit numbers, where 4. Each letter in Set 1 corresponds to exactly one
A, B, and C represent one of the digits of the different number from Set 2 (in any order).
respective numbers, and A + B + C = 15. Find Set 1: A, B, C, P, Q, R
the MAXIMUM possible value of 3B + 4C + 8 if: Set 2: 1, 2, 4, 5, 7, 9
5A > 5B >C9 The following conditions are given:
• A and C are consecutive numbers, with A
(a) 43 (b) 39 > C
• P + Q = R, with P > Q
(c) 31 (d) 36
• B is greater than both A and C
2. If the sum of the ages of Shubham and Shivam Using this information, find the value of:
is 36. What would be the sum of their ages (4P + 3B)(2P + 3C) + (2A - 3B)
after 36 years?
(a) 9 (b) 13
(a) 108 (b) 136
(c) 15 (d) 11
(b) 72 (d) 96 5. It is given that x means ‘greater than’, $
3. 3 whole numbers A, B, and C, satisfy the given means ‘equal to’, < means ‘not less than’, A
conditions. At maximum, how many different means ‘less than’ and + means ‘not greater
possible values can C have? than’. Which of the following options has the
same meaning as the given expression?
A > B > C and A + B = 10
a x b A c
(a) 4 (b) 5
(a) a $ c A b (b) b < a x c
(c) 3 (d) 2 (c) c x b A a (d) c + b < a

Answers

1. (b) 2. (a) 3. (a) 4. (d) 5. (c)

Expressions using Letter-Numbers 25