Ana is a girls and has the same number of brothers as sisters. Andrew ia a boy and has twice as many sisters as brothers. Ana and Andrew are the children of Emma. How many children does Emma have?

In a family there are several brothers and sisters. Every 2 boys have as many brothers as sisters and each 2 girls has 2 brothers less than the twice as many as brothers and sisters. Find the number of boys and girls—

Shubhangi has twice as many 20-rupee notes as she has 50 rupee notes. Altogether, she has $ 2700. How many 50-rupee notes does she have ?

Carla has 5 times as many notebooks as her brother does . If they have 42 notebooks between them , how many notebooks does carla have ?

In a school survey it was found that for every 4 girls there are 5 boys.If there are 54 children in a class. How many are boys.

A family has several children.Each boy in the family has as many sisters as brothers and each girl has twice as many brothers as sisters.How many brothers and sisters are there? (a) 4 brothers,3 sisters brothers,4 sisters (c) 3brothers,4 sisters (d) Cannot say