Move to Jagran APP

Make your Brain Sharp

1. Which interchange of signs will make the following equation correct?

By Babita kashyapEdited By: Published: Fri, 26 Dec 2014 02:55 PM (IST)Updated: Fri, 26 Dec 2014 03:00 PM (IST)
Make your Brain Sharp

1. Which interchange of signs will make the following equation correct?

prime article banner

25 − 5 + 32 ÷ 4 × 6 = 13.

a. − and ÷ b. × and ÷

c. – and + d. × and –

2. Which interchange of signs will make the following equation correct?

2 × 3 – 5 + 5 ÷ 5 = 10.

a. − and ÷ b. + and ÷

c. − and + d. × and –

3. If 2A = 3B =4C, then

A : B : C is ;

a. 2 : 3 : 4 b. 4 : 3 : 2

c. 6 : 4 : 3 d. 3 : 4 : 3

4. If A/3=B/4=C/5, then

A : B : C is ;

a. 4 : 3 : 5 b. 3 : 4 : 5

c. 5 : 4 : 3 d. 5 : 3 : 4

5. The ratio of 435 : 264 is same as :

a. 2 : 1 b. 64 : 1

c. 32 : 1 d. 16 : 1

6. If 1/5:1/x=1/x:1/125, then the value of x is :

a. 15 b. 20 c. 25 d. 35

7. A single discount equivalent to a discount series 10%, 20% and 10% is

a. 40 % b. 35.2 %

c. 30 % d. 25.8 %

8. The average of a non-zero number and its square is 5 times the number. The number is:

a. 9 b. 17 c. 29 d. 295

9. The average age of the boys in a class is 16 and that of the girls is 15 years. The average age for the whole class is :

a. 15 years b. 15.5 years

c. 16 years

d. Cannot be determined.

10. A man travelled from the village to the post-office at the rate of 25km/h and walked back at the rate of 4 km/h. If the whole journey took 5 hours 48 minutes. Find the distance of the post-office from the

village.

a. 10 km b. 15 km

c. 20 km d. 25 km

11. In what time will a train 100 m long, cross an electric pole, if its speed be 144 km/h?

a. 2.5 seconds

b. 3 seconds

c. 3.5 seconds

d. 4 seconds

12. A 5 digit number is to be formed using digits 1, 2, 3, 4, 5 and 6 without repeated any digits. How many such numbers can be formed which are divisible by 4?

a.248 b.216 c.256 d.236


Jagran.com अब whatsapp चैनल पर भी उपलब्ध है। आज ही फॉलो करें और पाएं महत्वपूर्ण खबरेंWhatsApp चैनल से जुड़ें
This website uses cookies or similar technologies to enhance your browsing experience and provide personalized recommendations. By continuing to use our website, you agree to our Privacy Policy and Cookie Policy.