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Hi
Directions: Kindly solve the following questions and choose an option as your answer for each.
Important for :
CGLTier 1
SSC 10+2
1
Which interchange of signs will make the following equation correct?
(8 – 8) + 8 × 32 = 64
A
×, +, –
B
–, ÷, +
C
+, ÷, +
D
+, ÷,×
» Explain it
Correct Option:
D
From the fourth option, we get:
(8 – 8) + 8 × 32 = 64
⇒ (8 + 8) ÷ 8 × 32 = 64
⇒ 16 ÷ 8 × 32 = 64
⇒ 2 × 32 = 64
Hence, the option D is correct.\
1
A
B
C
D
» Explain it
सही विकल्प :
D
D
2
Which of the following interchange of sign would make the given equation correct?
64 – 8 × 9 ÷ 8 = 64
A
+ and –
B
÷ and ×
C
+ and ÷
D
– and ÷
» Explain it
Correct Option:
D
From the option fourth, we get
64 – 8 × 9 ÷ 8 = 64
Putting (– & ÷) in the equation,
⇒ 64 ÷ 8 × 9 – 8 = 64
⇒ 8 × 9 – 8 = 64
⇒ 72 – 8 = 64
⇒ 64 = 64
Hence, the option D is correct.
2
A
B
C
D
» Explain it
सही विकल्प :
D
D
3
If + stands for division; × stands for addition; – stands for multiplication; ÷ stands for subtraction, which of the following is correct?
1. 15 ÷ 5 × 2 – 6 + 3 = 28
2. 15 × 5 + 2 – 6 ÷ 3 = 56.5
3. 15 + 5 – 2 ÷ 6 × 3 = 3
4. 15 – 5 + 2 × 6 ÷ 3 = 41
A
3
B
1
C
2
D
4
» Explain it
Correct Option:
A
From the third equation, we get
15 + 5 – 2 ÷ 6 × 3 = 3
After interchanging the symbol
⇒ 15 ÷ 5 × 2 – 6 + 3 = 3
⇒ 3 × 2 – 6 + 3 = 3
⇒ 6 – 6 + 3 = 3
⇒ 3 = 3
Hence, the option A is correct.
3
A
B
C
D
» Explain it
सही विकल्प :
A
A
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