**81. Find the one which does not belong to that group ?**

**A. Regiment**

B. Lieutenant

C. Colonel

D. Major

E. Brigadier

**82. Find the one which does not belong to that group ?**

A. Pakistani

**B. Japanian**

C. American

D. Brazilian

E. Russian

**83. Find the one which does not belong to that group ?**

A.Deal

B. Seal

C. Zeal

D. Meal

**E. Real**

**84. Two ships are sailing in the sea on the two sides of a lighthouse. The angles of elevation of the top of the lighthouse as observed from the two ships are 30° and 45° respectively. If the lighthouse is 100 m high, the distance between the two ships is :_________?**

A. 173 m

B. 200 m

**C. 273 m**

D. 300 m

**85. The angle of elevation of a ladder leaning against a wall is 60° and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is :_________?**

A. 2.3 m

B. 4.6 m

C. 7.8 m

**D. 9.2 m**

**86. Find out the wrong number in the series : 1, 1, 2, 6, 24, 96, 720.**

A. 6

B. 24

**C. 96**

D. 720

**87. Find the one which does not belong to that group ?**

A. Pakistan : Rupee

B. America : Dollar

C. Kuwait : Dinar

**D. Australia : Pound**

E. Japan : Yen

**88. The angle of elevation of the sun, when the length of the shadow of a tree is √3 times the height of the tree, is :________?**

A. 90°

B. 45°

C. 60°

**D****. ****30****°**

**89. From a point P on a level ground, the angle of elevation of the top of a tower is 30°. If the tower is 100 m high, the distance of point P from the foot of the tower is :_________?**

A. 149 m

B. 156 m

**C. 173 m**

D. 200 m

**90. If the height of a pole is 2√3 meters and the length of its shadow is 2 meters, find the angle of elevation of the sun.**

A. 50°

**B. 60°**

C. 70°

D. 80°