Practice Question and Answer
8 Q: 1 + 2 + 3 + ............. + 49 + 50 + 49 + 48 + ........+ 3 + 2 + 1 is equal to -
1920 060f7d3cb3ca0726dff34f09b
60f7d3cb3ca0726dff34f09b- 12550false
- 22380false
- 32500true
- 42400false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "2500 "
Q: The proportion of Hydrogen to Helium in the Sun is ? 1920 05c330a8ca3a98b0345a7b155
5c330a8ca3a98b0345a7b155- 13:2false
- 23:1true
- 31:1false
- 43:4false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "3:1"
Q: The series of differences between consecutive prime numbers is represented as Cp1, Cp2, Cp3, .... Cpn , Whare Cp1 is the difference between the second and the first prime number. Find the sum of series when n = 23, given that the 23rd prime number is 83 ? 1920 05b5cc6fbe4d2b4197774f09f
5b5cc6fbe4d2b4197774f09f- 187true
- 281false
- 383false
- 485false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "87"
Explanation :
Answer: A) 87 Explanation: Cp1 = p2 - p1 , Cp2 = p3 - p2 ......Cp23 = p24 - p23Sum of series = (p2-p1) + (p3-p2) + .....(p23-p22) + (p24-p23)All terms get cancelled, except p1 = 2 and p24 = 89 So Sum = -p1 + p24Sum of series = -2 + 89 = 87
Q: Study the information carefully to answer the question that follow.
In a college there are 900 students who are doing Post Graduation (PG) in any one of the subjects, out of five different subjects, out of the five different subjects viz. Zoology, Botany, Mathematics, Physics and Statistics. The ratio between the boys and the girls among those is 5:4 respectively, 20% of the total girls are doing PG in Zoology and 25% of the total girls are doing PG in Statistics. Total number of students doing PG in Botany is 220. Total students who are doing PG in Mathematics is 150. Respectively ratio between the number of girls and the number of boys doing PG in statistics is 2:3. Twenty percent of the total number of boys are doing PG in Mathematics is 1:2 respectively. There are equal number of boys and girls who are doing PG in PG in Physics. 180 students are doing PG in Zoology.
What is the difference between the boys doing PG in Zoology and the number of girls doing PG in Mathematics?
1920 05d85e31cd0d7a00e4ecb5dcc
5d85e31cd0d7a00e4ecb5dccIn a college there are 900 students who are doing Post Graduation (PG) in any one of the subjects, out of five different subjects, out of the five different subjects viz. Zoology, Botany, Mathematics, Physics and Statistics. The ratio between the boys and the girls among those is 5:4 respectively, 20% of the total girls are doing PG in Zoology and 25% of the total girls are doing PG in Statistics. Total number of students doing PG in Botany is 220. Total students who are doing PG in Mathematics is 150. Respectively ratio between the number of girls and the number of boys doing PG in statistics is 2:3. Twenty percent of the total number of boys are doing PG in Mathematics is 1:2 respectively. There are equal number of boys and girls who are doing PG in PG in Physics. 180 students are doing PG in Zoology.
What is the difference between the boys doing PG in Zoology and the number of girls doing PG in Mathematics?
- 150true
- 260false
- 330false
- 440false
- 5None of thesefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "50"
Q: Where is the Pineal Gland Situated?
1920 05f043bd0d3626553adad620d
5f043bd0d3626553adad620d- 1Kidneyfalse
- 2Uterusfalse
- 3Liverfalse
- 4Braintrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Brain "
Q: Only continent in the world without a desert is 1920 05d145c5d17aaf762d5b34f71
5d145c5d17aaf762d5b34f71- 1North Americafalse
- 2Asiafalse
- 3Africafalse
- 4Europetrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Europe"
Q: Eric is the son of Tom who is the brother of Jerry who is the daughter of Sin. Doremon is the sister of Popoy who is son of Chain. Ivanka is the daughter of Popoy who is the husband of Jerry. Sin is the male person and Chain is the female person. How is Ivanka related to Eric ? 1920 05b5cc6b9e4d2b4197774d6e9
5b5cc6b9e4d2b4197774d6e9- 1Cousin sistertrue
- 2Nephewfalse
- 3Niecefalse
- 4Daughterfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Cousin sister"
Explanation :
Answer: A) Cousin sister Explanation: Since Eric's father and Ivanka's mother are Brother and sister, => Ivanka is Eric's Aunt Daughter => Cousin Sister.
Q: Rohit purchased 12 kg of oranges for a total price of ₹480 and 18 kg of guavas at 30 per kg. What cost of the fruits purchased by Rohit?
1919 064225cba2b960e1a4180e2bf
64225cba2b960e1a4180e2bf- 136.00false
- 234.00true
- 337.20false
- 438.20false
- Show AnswerHide Answer
- Workspace
- SingleChoice