Page 30 - CT&AI_CLasa_7_Part_1

C, D and E are all different numbers having any value among 3, 8 and 7. What
will come in place of C so that no two consecutive numbers are placed next to
each other in any direction (vertically, horizontally, or diagonally)

6 4

2 C 1 E

D 5

(a) 7 (b) 8

(c) 3 (d) none of these

cbse handbook questions
Tick ( ) the correct option.
1. Figures A and B are formed using two
(a) 7 – 1 (b) 2 – 8
transparent squares, each. If figure A is

placed on top of figure B (without rotation), (c) 1 – 8 (d) 5 – 11
such that it completely overlaps figure B, how 3. ABCD is a square of side length 4 m. Raj starts
many right-angled triangles can be seen in
from point A and walks North to reach point
the resultant image?
D. From point D, he further walks 4 m without
taking any turns and reaches point P. At P,
4 cm 14243 14243 4 cm he turns 135° clockwise and walks a certain
distance and stops only when he reaches a
Figure A Figure B point on the square. Which of the following
statements is INCORRECT with respect to the
(a) 10 (b) 12
boundary of the square and the path taken?
(c) 13 (d) 14 D C

2. If each of the given terms follows the same
theme, what will come in place of "?"

11 12 1 12 1
10 2 2
9 3 3 A B
8 8 4
7 6 5 7 6 5 (a) PC II DB
3 – 9 1 - 7
(b) ∠PCD = ∠DCA
11 12 1 11 12 1
10 2 10 2
9 3 9 3
8 4 8 4 (c) PC AC
7 6 5 7 6 5

6 - 12 ? (d) ∠DPC = ∠DCP

28 Computational Thinking-7 (Mathematics)