RRB JE ME (CBT I) Mock Test- 8 - Mechanical Engineering MCQ

In a race of 600 meters, Ajay beats Vijay by 60 meters, and in a race of 500 meters, Vijay beats Anjay by 25 meters. By how many meters will Ajay beat Anjay in a race of 400 meters?

If for any acute angle A, sin A + sin2 A = 1, then the value of cos2A + cos4A is:

If sin x + cos x = c, then sin6 x+ cos6 x is equal to.

Each side of a cube is 3 units. It is cut into cubes each of side 1 unit. The total surface area of all the smaller cubes thus obtained is :

The angle of elevation of a tower, from the point 160 mtr. from the base of the tower doubles when moving 100 mtr. towards the tower. Thus, what is the height of the tower?

The time taken by a swimmer to row upstream in a river is 5 times the time taken by him to row downstream. If the speed of boat in still water is 18 km/hr., then calculate the speed of the stream.

The simple interest on a sum of money will be Rs. 300 after 5 years. In the next 5 years principal becomes 3 times, then the total interest at end of the 10th year?

Which one of the following statement is correct?

Direction: The population of a city 7,20,000. They have done various types of business which is given below by chart.

Find the ratio of men service to the industry?

If the average of a, b, c, d, e and f is 18, then what be the average of a/5, b/5, c/5, d/5, e/5 and f/5?

If C be a circle with centre O and radius x cm, then the locus of mid points of equal chords of C each of length y cm will be :

A’s salary increased by 12% over last year and has become ₹6720. What will be his next year’s salary if it increases by 20% over last year’s salary?

Vishal sold an article for Rs 1,740 and made a 15 percent profit on the discounted price he bought. If the discount was 20 percent, what was the original price?

The value of is :

Direction: The population of a city 7,20,000. They have done various types of business which are given below by chart.

How many more men engaged in Industry than Business?

A man earns Rs 200 on the first day and spends Rs 150 the next day. He again earns Rs 200 on the third day and spends Rs 150 on the fourth day. If he continues to save like thus, how soon will he have Rs 600 in hand?

If an equilateral triangle is inscribed in a circle, then the ratio of the side of the triangle and the diameter of the circle is:

A is thrice as fast as B and can finish a work in 60 days less than B. The time in which they can do it working together is:

If the perimeter of an equilateral triangle is 36.9 metre and length of an altitude is 8 metre, then area of the triangle is:

The difference between simple and compound rate of interest on a certain sum of money for 2 years at 5% rate of interest is Rs.25. Find the sum.

The base of a right circular cone has the same radius a as that of a sphere. Both the sphere and the cone have the same volume. The height of the cone is:

A certain distance is covered in a certain time. If 40% more distance is covered in 37% less time, then find the ratio of the speed in the two cases.

A shopkeeper mixes two varieties of rice purchased at Rs.35/kg and at Rs.28/kg respectively. If he sells the mixture at Rs. 36/kg and thus gains 20%. The ratio in which the two varieties are mixed is:

The value of is:

What must be added to each term of the ratio 7 : 11, so as to make it equal to 3 : 4?

If 100 men can do 100 work in 100 days, then 1 man will do 1 work in how many days?

A train 110 meter long is running with a speed of 60 kmph. In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going?