Question The owner of the cell phone shop charges 23% more than the cost price. If a customer paid 7011 for a cell phone, find the cost price of the cell phone. Type multiple_choice Option 5860 incorrect Option 5220 incorrect Option 5700 correct Option 6750 incorrect Solution Solution 1: Let the cost price = 100The […]
Question A man earns a profit of 20% on selling price. Find the profit percent on the cost price. Type multiple_choice Option 20% incorrect Option 25% correct Option 21% incorrect Option 30% incorrect Solution Let the selling price is 100Profit = 20% on S.P.Now, profit = 20So, C.P = 100- 20 = 80 Solution 1:Apply
A man earns a profit of 20% on selling price. Find the profit percent on the cost price. Read More »
Question A kite is flown with a thread of length 200 meter. The thread is fully stretched and makes an angle of 60° with the horizontal, find the height of the kite above the ground. Type multiple_choice Option 173 m correct Option 100 m incorrect Option 346 m incorrect Option 141 m incorrect Solution :
Question The angle of elevation of the top of a tower of height h meter at point Q is θ. If the distance between point Q and base of the tower is equal to the height of the tower, find the value of θ? Type multiple_choice Option 60° incorrect Option 30° incorrect Option 45° correct
Question Two buildings are 40 m apart. The angle of depression of the top of one building of height 100 m with the top of second building of unknown height is 60°. Find the height of second building? Type multiple_choice Option 30.8 m correct Option 60 m incorrect Option 76.8 m incorrect Option 40.5 m
Q. A simply supported beam AB has a clear span of 7 meter. The bending moment diagram (BMD) of the beam due to a single concentrated load is shown in the figure below. The magnitude of the concentrated load in kN is____________. Ans: 21 Solution: Moment along any plane xx’, MX = RA x =
Question If two-third of three-fourth of a number is 34, find the 20% of that number? Type multiple_choice Option 13 incorrect Option 13.6 correct Option 14 incorrect Option 14.6 incorrect Solution:
If two-third of three-fourth of a number is 34, find the 20% of that number? Read More »
Q. A room having dimension 12 m × 10 m × 3.5 m is required to be mechanically ventilated by air-conditioner. The temperature difference between outdoor ambient air and the supply air is 12 °C. Consider three air exchanges per hour. The volumetric specific heat of the air is 1250 J/m3 °C. Assume one ton
Question What is the unit digit in the product of 853 * 1346 * 452 * 226? Type multiple_choice Option 4 incorrect Option 5 incorrect Option 6 correct Option 8 incorrect Solution Pick up the unit digit of each number and multiply them; 3 in 853 6 in 1346 2 in 452 6 in 226
What is the unit digit in the product of 853 * 1346 * 452 * 226? Read More »
Question Which of the following is the output of 495 * 495 – 105 * 105? Type multiple_choice Option 234000 correct Option 360000 incorrect Option 300000 incorrect Option 350000 incorrect Solution Apply formula; (a2 – b2) = (a – b) (a+b) 495 x 495 – 105 x 105 = (4952 – 1052) = (495 – 105) (495
Which of the following is the output of 495 * 495 – 105 * 105? Read More »
