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86) On ________the Constituent Assembly set up a Drafting Committee under the Chairmanship of Dr. B.R. Ambedkar to prepare a Draft Constitution for India.
A) 29 August, 1947
B) 20 August, 1947
C) 18 August, 1947
D) 25 August, 1947
87) What is sublimation?
A) Change of a substance from gas state directly to liquid state
B) Change of a substance from gas state directly to solid state
C) Change of a substance from liquid state directly to gas state
D) Change of a substance from solid state directly to gas state
88) Article 239 deals with the:
A) administration of union territories by Lt. Governor
B) administration of union territories by President
C) administration of union territories by Prime Minister
D) administration of union territories by Cabinet Ministers
89) If 56 ÷ 14 × 22-12 × 6 ÷ 3 + 10 = z, then find the value of z.
A) 3
B) 4
C) 6
D) 2
Explanation:Let’s solve the expression step by step:
Given:
Step 1: Simplify the powers and multiplication/division first.
We follow the order of operations (BODMAS rule), which is:
»1. Brackets
»2. Orders (i.e., powers and square roots, etc.)
»3. Division and Multiplication (from left to right)
»4. Addition and Subtraction (from left to right)
Simplifying ( 22 ):
22 = 4
So the expression becomes:
56 ÷ 14 × 4 – 12 × 6 ÷ 3 + 10
Step 2: Perform division and multiplication from left to right.
»First, do the division and multiplication on the left side:
56 ÷ 14 = 4
So, the expression becomes:
4 × 4 – 12 × 6 ÷ 3 + 10
»Next, multiply:
4 × 4 = 16
Now, the expression becomes:
16 – 12 × 6 ÷ 3 + 10
»Next, divide and multiply:
12 × 6 = 72
72 ÷ 3 = 24
Now, the expression becomes:
16 – 24 + 10
Step 3: Perform addition and subtraction from left to right.
16 – 24 = -8
-8 + 10 = 2
Final Answer:
The value of ( z ) is 2.
90) Simplify:72-4(40+ 24 8 x 6-4 × 4) + 20
A) 36
B) 52
C) -76
D) -6