Question Find the average of the square of first 6 consecutive even numbers starting from 2 to 12, where the last even number is 12. Type multiple_choice Option 12.20 incorrect Option 60.66 correct Option 16.45 incorrect Option 178 incorrect Solution : =13*14/3= 182/3= 60.66
Question Find the average of first 5 consecutive even numbers starting from 2 to 10, where the last even number is 10. Type multiple_choice Option 1 incorrect Option 6 correct Option 2 incorrect Option 8 incorrect Solution The average of first n consecutive even numbers starting from 2 to X, where the last even number
Antarctica’s sea ice is at its lowest extent ever recorded: Antarctica’s sea ice has been recorded at a low level of approximately 14.2 million square kilometres, much less than the average extent of 16.7 million square kilometres for this time of year. What’s in News? The sea ice extent of Antarctica was about 14.2 million
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Q. In the reinforced beam section shown in the figure (not drawn to scale), the nominal cover provided at the bottom of the beam as per IS 456-2000, is (A) 30 mm (B) 36 mm (C) 42 mm (D) 50 mm Ans: 30 mm Solution: ∴ Nominal cover =(50−16/2−12)mm=30 mm
Q. Assuming that there is no possibility of shear buckling in the web, the maximum reduction permitted by IS 800-2007 in the (low-shear) design bending strength of a semi-compact steel section due to high shear is (A) zero (B) 25% (C) 50% (D) governed by the area of the flange Ans: zero
Question Find the average of first 4 consecutive even numbers. Type multiple_choice Option 2 incorrect Option 5 correct Option 1 incorrect Option 8 incorrect Solution Average of first n consecutive even numbers is given by:Average= n+1Here, n=4So, the average = 4+1=5
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Q. Consider the pin-jointed plane truss shown in the figure (not drawn to scale). Let RP, RQ, and RR denote the vertical reactions (upward positive) applied by the supports at P, Q, and R, respectively, on the truss. The correct combination of (RP, RQ, RR) is represented by (A) (30, –30, 30) kN (B) (20,
Question The average of square of first 6 consecutive even numbers is: Type multiple_choice Option 12.20 incorrect Option 60.66 correct Option 16.45 incorrect Option 178 incorrect Solution : Here, n=6So, Average = 2 (6+1) (2*6+1)/3=2*7*13/3= 182 /3= 60.66
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Question If the number of quantities in group A is 10 and in group B is 8, and their individual average is 24 and 16 respectively, find the combined average of the two groups. Type multiple_choice Option 20.44 correct Option 18.22 incorrect Option 16.22 incorrect Option 18.66 incorrect Solution : The combined average of the
Question In Varun’s opinion, his weight is greater than 65 kg but less than 72 kg. His father does not agree with Varun, and he thinks that Varun’s weight is greater than 60 kg but less than 70 kg. His sister’s view is that his weight cannot be greater than 68 kg. If all are
