This page contains Kerala PSC Maths Questions and Answers 21 for psc exam preparations in Malayalam and English.

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**401. Two numbers are in the ratio 2 : 3. lf eight is added to both the number ratio becomes 3 : 4. Then the numbers are
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**402. 1/12 - 1/30 = ?
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**403. രാമൻ 10 രൂപക്ക് 11 പേനകൾ വാങ്ങി 11 രൂപക്ക് 10 പേനകൾ എന്ന രീതിയിൽ വിൽക്കുന്നു എങ്കിൽ ലാഭശതമാനം എത്ര ?
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**404. Two statements are given followed by two conclusions I and II. You have to consider the two statements to be true even if they seem to be at variance from commonly known facts. You have to decide which one of the given conclusions is definitely drawn from the given statements. Statement : All virtuous persons are happy. No unhappy person is virtuous. Conclusions : I. Happiness is related to virtue II. Unhappy person is not virtuous.
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**405. 1 cube+2 cube+3 cube+4 cube=…………..
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**406. The sum of two numbers is 16 and the sum of their squares is 146.The larger number is:
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**407. Average height of 10 students in a class is 150 cm. A boy of height 160 cm left the class and a boy of height 148 cm is admitted. Then what is the average height of the students in the class now?
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**408. Some of three consequtive natural numbers is 126. The smallest number is :
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**409. 2001 ലെ ഏപ്രില് 1ഞായറാഴ്ചയാണെങ്കില് ജൂലൈ 1ഏതു ദിവസമായിരിക്കും.
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**410. 1992 എന്ന വര്ഷത്തില് ഫെബ്രുവരി, മാര്ച്ച്, ഏപ്രില് മാസങ്ങളില് ആകെ എത്ര ദിവസങ്ങള് ഉണ്ട് ?
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**411. P,Q and R together earn Rs.1620 in 9 days. P and R can earn Rs.600 in 5 days. Q and R in 7 days can earn Rs.910. How much amount does R can earn per day?
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**412. The average monthly income of A and B is Rs. 5050. The average monthly income of B and C is Rs. 6250 and the average monthly income of A and C is Rs.5200. What is the monthly income of A?
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**413. A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs.6500?
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**414. രക്തം കട്ടപിടിക്കാനാവശ്യമായ വിറ്റാമിന്?
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**415. Brick : House; Protein : ______
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**416. . In a row of boys Manu who is 8th from the left and Siju who is 9th from the right interchange their seats. Now Manu becomes 15th from left. How many boys are there in the row ?
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**417. Both Mr. Anand and his wife _____ teachers
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**418. The ratio of ages of Monu and Sonu is 2:5. The difference in their age is 15 years. Then the age of Monu is
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**419. 1,1,2,4,3,9,4,16,5,........?
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**420. 200 രൂപ വിലയുള്ള ഒരു വാച്ച് 250 രൂപക്ക് വിറ്റപ്പോൾ ലാഭ ശതമാനം ?
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Answer: 16,24

Answer: 1/20

Answer: 21%

Answer: Both I and II follow

Answer: 100

Answer: 11

Answer: 148.8

Answer: 43

Answer: ഞായര്

Answer: 90

Answer: Rs.70

Answer: 4000

Answer: 4991

Answer: കെ

Answer: Body

Answer: 23

Answer: are

Answer: 10 years

Answer: 25

Answer: 25%