Practice is the key to perfection in Quant, so brush up your skills and test yourself with these 15 questions of Quantitative Aptitude for NICL AO Mains 2017.

Q1. Four different electronic devices make a beep after every 30 minutes, one hour, 1.5 hours and one hour 45 minutes respectively. All the devices beeped together at 12 noon. When will they beep again?
(a) 6:30 am
(b) 9 am
(c) 10 am
(d) 10:30 am
(e) None of these

Q2. Three persons start walking together and their steps measure 40 cm, 42 cm and 45 cm respectively. What is the minimum distance each should walk so that each can cover the same distance in complete steps?
(a) 25.2 m
(b) 25.4 m
(c) 25.8 m
(d) 26 m
(e) 26.5 m

Q3. A two digit number is divided by the sum of its digits. What is the maximum possible remainder?
(a) 10
(b) 12
(c) 13
(d) 15
(e) 12.5

Q4. ViratKohli has a certain batting average N(a whole number) in his career of 86 innings. In his 87th inning, he gets out after scoring 270 runs which increase his batting average by a whole number. How many values of his new average is/are possible?
(a) 0
(b) 2
(c) 3
(d) 1
(e) None of these

Q5. A man makes 60 articles in the first hour. His efficiency decreases by 25% in the second hour, increases by 40% in the 3rd hour, decreases by 33% in the 4th hour and increases by 50% in the 5th hour. If he has to work for more than 1 hour, then in which hour the average number of articles produced per hour would be minimum?
(a) 5th
(b) 1st
(c) 3rd
(d) 4th
(e) None of these

Q6. There are two solutions of Sulphuric Acid (acid + water) with the concentration of 50% and 80% respectively. They are mixed in a certain ratio to get a 62% sulphuric acid solution. This solution is mixed with 6 litres of water to get back 50% solution. How much of the 80% solution has been used in the entire process?
(a) 4l
(b) 5l
(c) 10l
(d) 12l
(e) None of these

Q7. A salesman’s terms were changed from a flat commission of 5%  on all his sales to a fixed salary of Rs. 1000 plus 2.5% commission on all sales exceeding Rs. 4000. If his remuneration as per the new scheme was Rs. 600 more than by the first, what was his sales worth?
(a) Rs. 10,000
(b) Rs. 12,000
(c) Rs. 13,000
(d) Rs. 5000
(e) None of these

Q8. What percentage of numbers from 1 to 70 have squares that end in the digit 1?
(a) 15%
(b) 20%
(c) 25%
(d) 22 %
(e) None of these

Q9. Anni, Binni, and Sunny are three friends. Anni and Binni are twins. Binni takes 2 days more than Sunny to complete the work. If Anni started a work and 3 days later Binni joins him, then the work gets completed in 3 more days. Working together Anni, Binni and Sunni can complete thrice the original work in 6 days. In how many days Binni can complete twice the original work with double the efficiency working alone?
(a) 4 days
(b) 5 days
(c) 6 days
(d) 8 days
(e) None of these

Q10.Naina and Gauri started a business in partnership by investing Rs. 10,000 and Rs. 4000 respectively. The condition of the partnership is that Gauri got Rs. 100 per month for the management of the business. After paying 5% interest on the capital, annual profit has been distributed in the ratio of their investment. Find the share of their profit, if the annual profit is Rs. 4000.
(a) Rs. 2000
(b) Rs. 2500
(c) Rs. 1500
(d) Rs. 1000
(e) None of these

Directions (11-15): What should come in place of question-mark (?) in the following given questions (just calculate the approximate value)?

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