What is 7 divided by 21 written as a rational number?

What is 7 divided by 21 written as a rational number?
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0.3333
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A started a business with Rs. 21,000 and is joined afterwars by B with Rs. 36,000. After how many months did B join if the profits at the end of the year are divided equally? A.8 months B.2 months C.5 months D.7 months

Description : A started a business with Rs. 21,000 and is joined afterwars by B with Rs. 36,000. After how many months did B join if the profits at the end of the year are divided equally? A.8 months B.2 months C.5 months D.7 months

Last Answer : Answer – C (5 months) Explanation – let B joined after x months Then, 21000 x 12 = 36000 x (12 – x)36 = 180x = 5Hence, B joined after 5 months

how can the following definition be written correctly as a biconditional statementA multiple of 7 is a number that can be divided by 7 with no remainder.?

Description : how can the following definition be written correctly as a biconditional statementA multiple of 7 is a number that can be divided by 7 with no remainder.?

Last Answer : A number is a multiple of 7 if and only if it can be divided by 7 with no remainder.

A person writes all the numbers from 0 to 99. The number of times digit 3 will be written is (A) 18 (B) 19 (C) 20 (D) 21

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What is 811 divided by 7 written?

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If I divided me by 4 and add 21 you get 29. What number I am?

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Description : Is 5/7 a rational number?

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Description : Is 7 squared a rational number?

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Two persons P and Q invested in a business with 21 lakh and 28 lakh rupees. They agree that 30% of the profit should be in tha ratio 2:3 for P and Q and rest is divided between them according to their investment. If Q got Rs.1200 more than P, then then total profit Q is A) 4350 B) 4567 C) 4467 D) None

Description : Two persons P and Q invested in a business with 21 lakh and 28 lakh rupees. They agree that 30% of the profit should be in tha ratio 2:3 for P and Q and rest is divided between them according to their investment ... got Rs.1200 more than P, then then total profit Q is A) 4350 B) 4567 C) 4467 D) None

Last Answer : Answer: A)  Ratio of profit of P&Q is,  P:Q=21:28 => 3:4  Let total profit gained be X  Since ,30% of profit should be divided in ratio 2:3 for P&Q, Remaining share is =70% of x  P's share =70/100 *x* ...  =1200  X =Rs 7500  Q's total profit =70/100 *7500 *4/7 + 30/100 *7500*3/5  =Rs 4350

Find the five rational no. Between5/7 and9/11 -Maths 9th

Description : Find the five rational no. Between5/7 and9/11 -Maths 9th

Last Answer : 5/7 and 9/11 find the lcm of 7 and 11 lcm =77. 5/7 *11/11=55/77 , 9/11*7/7=63/77 therefore five rational no are 56/77 57/77 58/77 59/77 60/77

Find the five rational no. Between5/7 and9/11 -Maths 9th

Description : Find the five rational no. Between5/7 and9/11 -Maths 9th

Last Answer : 5/7 and 9/11 find the lcm of 7 and 11 lcm =77. 5/7 *11/11=55/77 , 9/11*7/7=63/77 therefore five rational no are 56/77 57/77 58/77 59/77 60/77

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Description : Find six rational numbers between 5/7 and 6/7. -Maths 9th

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is 7/5 rational or integer?

Description : is 7/5 rational or integer?

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1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50'. What number is missing? -Riddles

Description : 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50'. What number is missing? -Riddles

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find the missing number _____:7 = 12:21 -General Knowledge

Description : find the missing number _____:7 = 12:21 -General Knowledge

Last Answer : Let the missing number be x. x:7 = 12:21 ; 21x = 84 ; x = 84/21 = 4. So, the missing number is 4.

Add 7.21, 12.141 and 0.0028 and express the result to an appropriate number of significant figures.

Description : Add 7.21, 12.141 and 0.0028 and express the result to an appropriate number of significant figures.

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How many natural numbers are factors of 26 including the number 1 and itself? a) 1 b) 7 c) 6 d) 21

Description : How many natural numbers are factors of 26 including the number 1 and itself? a) 1 b) 7 c) 6 d) 21

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Insert the missing number in the following: 2/3, 4/7, ? , 11/21, 16/31 (A) 10/8 (B) 6/10 (C) 5/10 (D) 7/13

Description : Insert the missing number in the following: 2/3, 4/7, ? , 11/21, 16/31 (A) 10/8 (B) 6/10 (C) 5/10 (D) 7/13

Last Answer : Answer: D 2/3 = 2/2*2-1, 4/7 = 4/4 *2-1, 11/21 = 11/11*2-1, and 16/31 = 16/16*2-1; Therefore 7/13= 7/7*2-1.

In the sequence of numbers 2/3, 4/7, X, 11/21, 16/31 The missing number X is: (A) 8/10 (B) 6/10 (C) 5/10 (D) 7/13

Description : In the sequence of numbers 2/3, 4/7, X, 11/21, 16/31 The missing number X is: (A) 8/10 (B) 6/10 (C) 5/10 (D) 7/13

Last Answer : Answer: D

Consider the following three SQL queries (Assume the data in the people table) : (a) Select Name from people where Age>21; (b) Select Name from people where Height>180; (c) Select Name from people where (Age>21) or (Height>180); If the SQL queries (a) and (b) above, return 10 rows and 7 rows in the result set respectively, then what is one possible number of rows returned by the SQL query (c) ? (A) 3 (B) 7 (C) 10 (D) 21

Description : Consider the following three SQL queries (Assume the data in the people table) : (a) Select Name from people where Age>21; (b) Select Name from people where Height>180; (c) Select Name from people where (Age>21) or (Height ... number of rows returned by the SQL query (c) ? (A) 3 (B) 7 (C) 10 (D) 21

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An employer reduces the number of his employees in the ratio of 7:4 and increases their wages in the ratio 3:5. State whether his bill of total wages increases or decreases and in what ratio. a) increases 20:21 b) decreases 21:20 c) increases 21:22 d) decreases 22:21 e) None of these

Description : An employer reduces the number of his employees in the ratio of 7:4 and increases their wages in the ratio 3:5. State whether his bill of total wages increases or decreases and in what ratio. a) increases 20:21 b) decreases 21:20 c) increases 21:22 d) decreases 22:21 e) None of these

Last Answer : Answer: B Let initial employees be 7x and then 4x similarly initial wages be 3y and then 5y so total wage = 21xy initially and then 20xy so wages decreases and ratio = 21:20