81. Raju starts walking towards south. After walking 20 m he turns towards North and Walks 8 m. Again he turns towards East and walks 5 m. How far and in which direction is he from his starting point. A. 15 m, South B. 17 m, North-West C. 7 m, East D. 13 m, South-East 82. The sides of 14 Square's are 11 cm, 12 cm, 13 cm,.......... 24 cm, then find the total area of14 squares. A. 3515 cm2 B. 4515 cm2 C. 2115cm2 D. 3215 cm2 83. A Train travelled a certain distance at a uniform speed. If the train had been 7 km/hr faster, it would have taken 14 hours less than the scheduled time. If the train were slower by 3 km/hr then it would have taken 10 hours more than the scheduled time. Find the distance covered by the train. A. 600 Km B. 700 Km C.800 Km D. 900 Km 84. Spherical metal ball of radius 6 cm is melted and casted into small spherical balls having diameter 6 mm. How many small balls can be casted A. 8000 B. 1000 C. 6000 D. 2000 85. The radii of two circular ends of a frustum shaped bucket are 15 cm and 8 cm. If its depth is 63 cm, find the capacity of the bucket in litres A. 2.6994 litres B. 26.994 litres C. 269.94 litres D. 2699.4 litres 86. The present age of A and B are in the ratio 4 : 5 and after five years they will be in the ratio 5 : 6 then their sum of present age is A. 55 years B. 45 years C.35 years D. 25 years 87. A function f:[-7,6] => R is defined as follows f ( x ) = [x 2 + 2 x + 1 if - 7 <= x < -5 ] [x + 5 if -5 <= x <= 2] [x-1 if 2< x<6]. what is the value of 4 f ( -3) - 2 f (4) / f ( -6) - 4 f (1) A. 2 B. 7 C. 2 D. 1 88. Mala and Latha each had a number of bangles. Mala said to Latha "If you give me 4 of your bangles, my number will be thrice yours". Latha replied "If you give me 36, my number will be thrice yours". What is the total bangles together with them? A.70 B. 80 C. 90 D. 100 89. Identify the irrigation canal which originates from the Harike Barrage in Ferozepur district of Punjab A. Bhakra canal B. Indira Gandhi canal C. Sirhind canal D. Bist Doab canal 90. Assertion A.: Extra - Tropical cyclones are formed in mid - latitudes. Reasoning (R) : The warm and cold fronts converge in mid - latitudes. A. Both (A) and (R) are true and (R) is the correct explanation of (A) B. Both (A) and (R) are true but (R) is not the correct explanation of A. C. (A) is true but (R) is false D. (A) is false but (R) is true