Author name: Umar Draz

educationist

Who were the founders of ENIAC?

A. Alan Turing & John von Neumann
B. Charles Babbage & Ada Lovelace
C. John Eckert & John Mauchly
D. Steve Jobs & Bill Gates
Correct answer is: C. John Eckert & John Mauchly
ENIAC, the first general-purpose electronic computer, was developed by Eckert & Mauchly.

In Microsoft Word, what does the shortcut key Ctrl + 5 do?

A. Single line spacing
B. 1.5 line spacing
C. Double line spacing
D. 5 line spacing
Correct answer is: B. 1.5 line spacing
Ctrl+5 applies 1.5 line spacing in MS Word.

What is the value of sin 90° × cos 90°?

A. -1
B. O
C. Undefined
D. (–1)
Correct answer is: B. O
sin 90° = 1, cos 90° = 0, so 1×0 = 0.

If ABCD is a square with A(2,3), B(1,2), C(–1,–2), then what are the coordinates of D?

A. (0, –1)
B. (4, 5)
C. (–3, 0)
D. (1, –3)
Correct answer is: A. (0, –1)
Using diagonals bisecting property of a square, D = (0, –1).

If 78 students represent 30% of the class, what is the total number of students?

A. 220
B. 230
C. 250
D. 260
Correct answer is: D. 260
78 ÷ 30 × 100 = 260 students in total.

What is the sum of 0.3 + 0.03 + 0.003 + 0.0003?

A. 3.30003
B. 0.3333
C. 3.30303
D. 3.00333
Correct answer is: B. 0.3333
Adding step by step gives 0.3333.

The additive inverse of –5 is:

A. 5
B. O
C. (1/5.)
D. -55
Correct answer is: A. 5
Additive inverse is the number that makes sum zero. –5 + 5 = 0.

In a K×K classroom arrangement, number of rows = number of columns. Value of columns?

A. K+1
B. K–1
C. K
D. 2K
Correct answer is: C. K
Since rows = columns = K, number of columns = K.

Which punctuation mark is commonly used with the word Alas?

A. Comma (,)
B. Period (.)
C. Exclamation mark (!)
D. Question mark (?)
Correct answer is: C. Exclamation mark (!)
Interjections like Alas! take an exclamation mark.

Majority of Pakistan’s population is engaged in:

A. Industry
B. Services
C. Agriculture
D. IT
Correct answer is: C. Agriculture
About 36% employed in agriculture sector.
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