** 71) In which year Dr. Abdul Salam was awarded Nobel Prize in Physics?**

(A) 1973

(B) 1975

(C) 1979

(D) 1983

** 72) CPU stands for**

(A) Central Processing Unit

(B) Central Programming Unit

(C) Control Processing Unit

(D) Control Programming Unit

** 73) What is Black Hole?**

(A) Hypothetical region of the space

(B) Hole in California

(C) Sink hole in the lake

(D) Region between mantle and crest of the earth

** 74) Who discovered Penicillin**

(A) Alexander Flaming

(B) Louis Pasteur

(C) Nell Boher

(D) None of these

** 75) One meter is equal to**

(A) 100 millimeter

(B) 1000 millimeter

(C) 500 millimeter

(D) 10000 millimeter

** 76) When a book is sold for Rs 76 the gain is 52%. The gain when it is sold for Rs 74 is?**

(A) 44%

(B) 48%

(C) 46%

(D) 50%

** 77) The length of the longest pole that can be placed in a room 12 m long and 9 m wide and 8 m high is**

(A) 12 m

(B) 14 m

(C) 17 m

(D) 21 m

** 78) A rectangle has a length of 10 cm and a perimeter of 30 cm. Find the width of the rectangle**

(A) 5 cm

(B) 10 cm

(C) 15 cm

(D) 20 cm

** 79) Working 8 hours a day, a work is done in 5 days. For how many hours a day the work is done if it is finished in 4 days?**

(A) 8 hrs

(B) 10 hrs

(C) 12 hrs

(D) 16 hrs