RRB JE ECE (CBT I) Mock Test- 2 - Electronics and Communication Engineering (ECE) MCQ

In which of the following is p > q?

I. (0.9)^p > (0.9)^q

II. (1.8)^p < (1.8)^q

III. (8.5)^p > (8.5)^q

IV. (1/2)^p < (12)^q

There are some rabbits and some pigeons in a zoo. If their heads and feet are counted, the number of heads is 90, and their feet are counted, then their number of feet is 224. Tell me, how many rabbits are there in this zoo?

A shopkeeper marks the price of an article at Rs. 320. Find the cost price if, after allowing a discount of 10%, he still gains 20% on the cost price.

With the increase in the price of a pressure cooker by 20%, its sale decreases by 50%. How much of a shopkeeper will earn less or more income from the past?

If '-' stands for division, '+' for multiplication, ' ÷ ' for subtraction and 'x' for addition, which one of the following equations is correct?

From a container, 5 litres of wine was drawn out and was replaced by soda. Again 5 litres of the mixture was drawn out & replaced by the soda. Thus the quantity of wine and soda in the container after these two operations is 9:16. The quantity of the mixture is

A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by:

The sum of the 28th, 29th and 30th terms of an Arithmetic Progression, which has 57 terms, is 111. Find the arithmetic mean of the progression.

S =

Find S.

Mahesh grows potatoes in his backyard, which is in the shape of a square. Each potato takes 1 cm2 in his backyard. This year, he has been able to grow 137 more potatoes than last year. The shape of the backyard remained a square. How many potatoes did Mahesh produce this year?

The dimensions of a luggage box are 80 cm, 60 cm and 40 cm. How many sq. cm of cloth is required to cover the box?

In how many years will 800 rupees 10% annual compound interest rate be 926.10 if interest is biannually combined?

A shopkeeper earns a profit of 12% on selling a book at a 10% discount on the printed price. The ratio of the cost price and the printed price of the book is

What is the mode of the following list of numbers:

52, 54, 55, 56, 55, 54, 53, 55, 53, 51, and 57 ?

In an election, there were only two candidates. One of the candidates secured 40% of the votes and was defeated by the other candidate by 298 votes. The total number of votes polled is?

If sin x = 4/5, then sec² x−1 = ?

Read the following graph carefully and answer the question given below.

Q. For which year, the percent increase of foreign exchange reserves over the previous year is the highest?

Read the following graph carefully and answer the question given below.

Q. The ratio of the number of years in which the foreign exchange reserves are above the average reserves to those in which the reserves are below the average reserves is?

Read the following graph carefully and answer the question given below.

The foreign exchange reserves in 1997-98 were how many times that in 1994-95?

D is 4 years younger than B, and C is 4 years older than A. A and B are twins. If the average age of all the four boys is 11 years, then the sum of the ages of the youngest and the oldest boy is

Find the LCM of the following fractions: 2/3, 8/9, 16/27, 32/81

Present ages of Ajit and Amar are in the ratio of 8: 7, and after four years, the ratio of their ages will be 9: 8. Find the present age of Amar?

Read the following information carefully and answer the question given below-

In the CBSE Board exams last year, 53% passed in Biology, 61% percent passed in English, 60% in Social Studies, 24% in Biology and English, 35% in English and Social Studies, 27% in Biology and Social Studies and 5% in none.

If the number of students in the class is 200, how many passed in only one subject?

Read the following graph carefully and answer the question given below.

The number of mobile sim cards in 4 states are given in multiple bar diagrams.

In Assam, the ratio of Aircel sim card and Airtel Sim card sold is:

Read the following graph carefully and answer the question given below.

The number of mobile sim cards in 4 states are given in multiple bar diagrams.

In Which state are there the largest number of owners of Airtel sim card?

Marked price of articles ‘P’ and ‘Q’ are Rs. 50 and Rs. 35 respectively. With every article of ‘P’, 2 pencils worth Rs. 3 each are given free and with every article of ‘Q’, 3 pens worth Rs. 5 each are given free. If a customer buys 3 articles of ‘P’ and 2 articles of ‘Q’, what is the approximate discount percentage?

The cash difference between the selling price of an article at a profit of 2% and 12% is Rs. 3. The ratio of two selling prices is: